Finding the Third Proportional to 53,416.50 and 115,398

Step by Step Solution

1. Step 1: Write the proportion equation
   53,416.50 : 115,398 = 115,398 : x
2. Step 2: Convert to fraction form
   53,416.50/115,398 = 115,398/x
3. Step 3: Cross multiply
   53,416.50x = 115,398 × 115,398
4. Step 4: Simplify right side
   53,416.50x = 13,316,698,404
5. Step 5: Solve for x
   x = 13,316,698,404/53,416.50
6. Step 6: Final answer
   x = 249,299.34