Finding the Third Proportional to 12,732.75 and 19,123.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.75 : 19,123.13 = 19,123.13 : x
2. Step 2: Convert to fraction form
   12,732.75/19,123.13 = 19,123.13/x
3. Step 3: Cross multiply
   12,732.75x = 19,123.13 × 19,123.13
4. Step 4: Simplify right side
   12,732.75x = 365,693,909.77
5. Step 5: Solve for x
   x = 365,693,909.77/12,732.75
6. Step 6: Final answer
   x = 28,720.73