Finding the Third Proportional to 13,142,659 and 28,807,407

Step by Step Solution

1. Step 1: Write the proportion equation
   13,142,659 : 28,807,407 = 28,807,407 : x
2. Step 2: Convert to fraction form
   13,142,659/28,807,407 = 28,807,407/x
3. Step 3: Cross multiply
   13,142,659x = 28,807,407 × 28,807,407
4. Step 4: Simplify right side
   13,142,659x = 829,866,698,063,649
5. Step 5: Solve for x
   x = 829,866,698,063,649/13,142,659
6. Step 6: Final answer
   x = 63,142,983.32