Finding the Third Proportional to 12,308,972 and 28,493,042

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308,972 : 28,493,042 = 28,493,042 : x
2. Step 2: Convert to fraction form
   12,308,972/28,493,042 = 28,493,042/x
3. Step 3: Cross multiply
   12,308,972x = 28,493,042 × 28,493,042
4. Step 4: Simplify right side
   12,308,972x = 811,853,442,413,764
5. Step 5: Solve for x
   x = 811,853,442,413,764/12,308,972
6. Step 6: Final answer
   x = 65,956,234.40