Finding the Third Proportional to 63,398.50 and 133,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,398.50 : 133,869.50 = 133,869.50 : x
2. Step 2: Convert to fraction form
   63,398.50/133,869.50 = 133,869.50/x
3. Step 3: Cross multiply
   63,398.50x = 133,869.50 × 133,869.50
4. Step 4: Simplify right side
   63,398.50x = 17,921,043,030.25
5. Step 5: Solve for x
   x = 17,921,043,030.25/63,398.50
6. Step 6: Final answer
   x = 282,672.98