Finding the Third Proportional to 63,632 and 138,200

Step by Step Solution

1. Step 1: Write the proportion equation
   63,632 : 138,200 = 138,200 : x
2. Step 2: Convert to fraction form
   63,632/138,200 = 138,200/x
3. Step 3: Cross multiply
   63,632x = 138,200 × 138,200
4. Step 4: Simplify right side
   63,632x = 19,099,240,000
5. Step 5: Solve for x
   x = 19,099,240,000/63,632
6. Step 6: Final answer
   x = 300,151.50