Finding the Third Proportional to 12,438 and 29,061

Step by Step Solution

1. Step 1: Write the proportion equation
   12,438 : 29,061 = 29,061 : x
2. Step 2: Convert to fraction form
   12,438/29,061 = 29,061/x
3. Step 3: Cross multiply
   12,438x = 29,061 × 29,061
4. Step 4: Simplify right side
   12,438x = 844,541,721
5. Step 5: Solve for x
   x = 844,541,721/12,438
6. Step 6: Final answer
   x = 67,900.12