Finding the Third Proportional to 12,591,432 and 27,109,287

Step by Step Solution

1. Step 1: Write the proportion equation
   12,591,432 : 27,109,287 = 27,109,287 : x
2. Step 2: Convert to fraction form
   12,591,432/27,109,287 = 27,109,287/x
3. Step 3: Cross multiply
   12,591,432x = 27,109,287 × 27,109,287
4. Step 4: Simplify right side
   12,591,432x = 734,913,441,648,369
5. Step 5: Solve for x
   x = 734,913,441,648,369/12,591,432
6. Step 6: Final answer
   x = 58,366,152.61