Finding the Third Proportional to 8,139,472 and 16,948,780

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139,472 : 16,948,780 = 16,948,780 : x
2. Step 2: Convert to fraction form
   8,139,472/16,948,780 = 16,948,780/x
3. Step 3: Cross multiply
   8,139,472x = 16,948,780 × 16,948,780
4. Step 4: Simplify right side
   8,139,472x = 287,261,143,488,400
5. Step 5: Solve for x
   x = 287,261,143,488,400/8,139,472
6. Step 6: Final answer
   x = 35,292,356.00