Finding the Third Proportional to 930,891,456 and 1,388,264,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   930,891,456 : 1,388,264,602.50 = 1,388,264,602.50 : x
2. Step 2: Convert to fraction form
   930,891,456/1,388,264,602.50 = 1,388,264,602.50/x
3. Step 3: Cross multiply
   930,891,456x = 1,388,264,602.50 × 1,388,264,602.50
4. Step 4: Simplify right side
   930,891,456x = 1,927,278,606,554,482,944
5. Step 5: Solve for x
   x = 1,927,278,606,554,482,944/930,891,456
6. Step 6: Final answer
   x = 2,070,358,035.98