Finding the Third Proportional to 711,504,648 and 1,063,071,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   711,504,648 : 1,063,071,868.50 = 1,063,071,868.50 : x
2. Step 2: Convert to fraction form
   711,504,648/1,063,071,868.50 = 1,063,071,868.50/x
3. Step 3: Cross multiply
   711,504,648x = 1,063,071,868.50 × 1,063,071,868.50
4. Step 4: Simplify right side
   711,504,648x = 1,130,121,797,596,081,280
5. Step 5: Solve for x
   x = 1,130,121,797,596,081,280/711,504,648
6. Step 6: Final answer
   x = 1,588,354,764.47