Finding the Third Proportional to 9,687,970 and 20,766,892

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687,970 : 20,766,892 = 20,766,892 : x
2. Step 2: Convert to fraction form
   9,687,970/20,766,892 = 20,766,892/x
3. Step 3: Cross multiply
   9,687,970x = 20,766,892 × 20,766,892
4. Step 4: Simplify right side
   9,687,970x = 431,263,803,339,664
5. Step 5: Solve for x
   x = 431,263,803,339,664/9,687,970
6. Step 6: Final answer
   x = 44,515,394.18