Finding the Third Proportional to 12,866,468 and 28,291,724

Step by Step Solution

1. Step 1: Write the proportion equation
   12,866,468 : 28,291,724 = 28,291,724 : x
2. Step 2: Convert to fraction form
   12,866,468/28,291,724 = 28,291,724/x
3. Step 3: Cross multiply
   12,866,468x = 28,291,724 × 28,291,724
4. Step 4: Simplify right side
   12,866,468x = 800,421,646,892,176
5. Step 5: Solve for x
   x = 800,421,646,892,176/12,866,468
6. Step 6: Final answer
   x = 62,209,896.83