Finding the Third Proportional to 12,377,632 and 18,589,830

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377,632 : 18,589,830 = 18,589,830 : x
2. Step 2: Convert to fraction form
   12,377,632/18,589,830 = 18,589,830/x
3. Step 3: Cross multiply
   12,377,632x = 18,589,830 × 18,589,830
4. Step 4: Simplify right side
   12,377,632x = 345,581,779,428,900
5. Step 5: Solve for x
   x = 345,581,779,428,900/12,377,632
6. Step 6: Final answer
   x = 27,919,862.17