Finding the Third Proportional to 9,123,478 and 12,755,159

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123,478 : 12,755,159 = 12,755,159 : x
2. Step 2: Convert to fraction form
   9,123,478/12,755,159 = 12,755,159/x
3. Step 3: Cross multiply
   9,123,478x = 12,755,159 × 12,755,159
4. Step 4: Simplify right side
   9,123,478x = 162,694,081,115,281
5. Step 5: Solve for x
   x = 162,694,081,115,281/9,123,478
6. Step 6: Final answer
   x = 17,832,462.70