Finding the Third Proportional to 63,358.50 and 137,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,358.50 : 137,173.50 = 137,173.50 : x
2. Step 2: Convert to fraction form
   63,358.50/137,173.50 = 137,173.50/x
3. Step 3: Cross multiply
   63,358.50x = 137,173.50 × 137,173.50
4. Step 4: Simplify right side
   63,358.50x = 18,816,569,102.25
5. Step 5: Solve for x
   x = 18,816,569,102.25/63,358.50
6. Step 6: Final answer
   x = 296,985.71