Finding the Third Proportional to 63,658.50 and 148,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,658.50 : 148,642.50 = 148,642.50 : x
2. Step 2: Convert to fraction form
   63,658.50/148,642.50 = 148,642.50/x
3. Step 3: Cross multiply
   63,658.50x = 148,642.50 × 148,642.50
4. Step 4: Simplify right side
   63,658.50x = 22,094,592,806.25
5. Step 5: Solve for x
   x = 22,094,592,806.25/63,658.50
6. Step 6: Final answer
   x = 347,080.01