Finding the Third Proportional to 14,215,320 and 20,259,684

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215,320 : 20,259,684 = 20,259,684 : x
2. Step 2: Convert to fraction form
   14,215,320/20,259,684 = 20,259,684/x
3. Step 3: Cross multiply
   14,215,320x = 20,259,684 × 20,259,684
4. Step 4: Simplify right side
   14,215,320x = 410,454,795,779,856
5. Step 5: Solve for x
   x = 410,454,795,779,856/14,215,320
6. Step 6: Final answer
   x = 28,874,115.80