Finding the Third Proportional to 707,762,678.88 and 1,061,644,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   707,762,678.88 : 1,061,644,109.50 = 1,061,644,109.50 : x
2. Step 2: Convert to fraction form
   707,762,678.88/1,061,644,109.50 = 1,061,644,109.50/x
3. Step 3: Cross multiply
   707,762,678.88x = 1,061,644,109.50 × 1,061,644,109.50
4. Step 4: Simplify right side
   707,762,678.88x = 1,127,088,215,236,048,000
5. Step 5: Solve for x
   x = 1,127,088,215,236,048,000/707,762,678.88
6. Step 6: Final answer
   x = 1,592,466,301.03