Finding the Third Proportional to 12,308,979 and 28,493,061

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308,979 : 28,493,061 = 28,493,061 : x
2. Step 2: Convert to fraction form
   12,308,979/28,493,061 = 28,493,061/x
3. Step 3: Cross multiply
   12,308,979x = 28,493,061 × 28,493,061
4. Step 4: Simplify right side
   12,308,979x = 811,854,525,149,721
5. Step 5: Solve for x
   x = 811,854,525,149,721/12,308,979
6. Step 6: Final answer
   x = 65,956,284.85