Finding the Third Proportional to 14,139.75 and 29,428.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,139.75 : 29,428.31 = 29,428.31 : x
2. Step 2: Convert to fraction form
   14,139.75/29,428.31 = 29,428.31/x
3. Step 3: Cross multiply
   14,139.75x = 29,428.31 × 29,428.31
4. Step 4: Simplify right side
   14,139.75x = 866,025,576.60
5. Step 5: Solve for x
   x = 866,025,576.60/14,139.75
6. Step 6: Final answer
   x = 61,247.59