Finding the Third Proportional to 63,256.50 and 138,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,256.50 : 138,025.50 = 138,025.50 : x
2. Step 2: Convert to fraction form
   63,256.50/138,025.50 = 138,025.50/x
3. Step 3: Cross multiply
   63,256.50x = 138,025.50 × 138,025.50
4. Step 4: Simplify right side
   63,256.50x = 19,051,038,650.25
5. Step 5: Solve for x
   x = 19,051,038,650.25/63,256.50
6. Step 6: Final answer
   x = 301,171.24