Finding the Third Proportional to 63,591.50 and 138,118

Step by Step Solution

1. Step 1: Write the proportion equation
   63,591.50 : 138,118 = 138,118 : x
2. Step 2: Convert to fraction form
   63,591.50/138,118 = 138,118/x
3. Step 3: Cross multiply
   63,591.50x = 138,118 × 138,118
4. Step 4: Simplify right side
   63,591.50x = 19,076,581,924
5. Step 5: Solve for x
   x = 19,076,581,924/63,591.50
6. Step 6: Final answer
   x = 299,986.35