Finding the Third Proportional to 63,126 and 137,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,126 : 137,551.50 = 137,551.50 : x
2. Step 2: Convert to fraction form
   63,126/137,551.50 = 137,551.50/x
3. Step 3: Cross multiply
   63,126x = 137,551.50 × 137,551.50
4. Step 4: Simplify right side
   63,126x = 18,920,415,152.25
5. Step 5: Solve for x
   x = 18,920,415,152.25/63,126
6. Step 6: Final answer
   x = 299,724.60