Finding the Third Proportional to 63,385.03 and 138,532.78

Step by Step Solution

1. Step 1: Write the proportion equation
   63,385.03 : 138,532.78 = 138,532.78 : x
2. Step 2: Convert to fraction form
   63,385.03/138,532.78 = 138,532.78/x
3. Step 3: Cross multiply
   63,385.03x = 138,532.78 × 138,532.78
4. Step 4: Simplify right side
   63,385.03x = 19,191,331,480.86
5. Step 5: Solve for x
   x = 19,191,331,480.86/63,385.03
6. Step 6: Final answer
   x = 302,773.87