Finding the Third Proportional to 410,955,920,128.50 and 628,716,543,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   410,955,920,128.50 : 628,716,543,127.50 = 628,716,543,127.50 : x
2. Step 2: Convert to fraction form
   410,955,920,128.50/628,716,543,127.50 = 628,716,543,127.50/x
3. Step 3: Cross multiply
   410,955,920,128.50x = 628,716,543,127.50 × 628,716,543,127.50
4. Step 4: Simplify right side
   410,955,920,128.50x = 395,284,491,602,193,597,595,648
5. Step 5: Solve for x
   x = 395,284,491,602,193,597,595,648/410,955,920,128.50
6. Step 6: Final answer
   x = 961,865,913,693.60