Finding the Third Proportional to 9,123,465 and 12,755,142

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123,465 : 12,755,142 = 12,755,142 : x
2. Step 2: Convert to fraction form
   9,123,465/12,755,142 = 12,755,142/x
3. Step 3: Cross multiply
   9,123,465x = 12,755,142 × 12,755,142
4. Step 4: Simplify right side
   9,123,465x = 162,693,647,440,164
5. Step 5: Solve for x
   x = 162,693,647,440,164/9,123,465
6. Step 6: Final answer
   x = 17,832,440.57