Finding the Third Proportional to 16,659,778 and 25,432,530

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659,778 : 25,432,530 = 25,432,530 : x
2. Step 2: Convert to fraction form
   16,659,778/25,432,530 = 25,432,530/x
3. Step 3: Cross multiply
   16,659,778x = 25,432,530 × 25,432,530
4. Step 4: Simplify right side
   16,659,778x = 646,813,582,200,900
5. Step 5: Solve for x
   x = 646,813,582,200,900/16,659,778
6. Step 6: Final answer
   x = 38,824,862.02