Finding the Third Proportional to 516,299.50 and 1,118,388

Step by Step Solution

1. Step 1: Write the proportion equation
   516,299.50 : 1,118,388 = 1,118,388 : x
2. Step 2: Convert to fraction form
   516,299.50/1,118,388 = 1,118,388/x
3. Step 3: Cross multiply
   516,299.50x = 1,118,388 × 1,118,388
4. Step 4: Simplify right side
   516,299.50x = 1,250,791,718,544
5. Step 5: Solve for x
   x = 1,250,791,718,544/516,299.50
6. Step 6: Final answer
   x = 2,422,608.81