Finding the Third Proportional to 12,278,092.50 and 20,462,256

Step by Step Solution

1. Step 1: Write the proportion equation
   12,278,092.50 : 20,462,256 = 20,462,256 : x
2. Step 2: Convert to fraction form
   12,278,092.50/20,462,256 = 20,462,256/x
3. Step 3: Cross multiply
   12,278,092.50x = 20,462,256 × 20,462,256
4. Step 4: Simplify right side
   12,278,092.50x = 418,703,920,609,536
5. Step 5: Solve for x
   x = 418,703,920,609,536/12,278,092.50
6. Step 6: Final answer
   x = 34,101,707.62