Finding the Third Proportional to 53,042.50 and 115,553

Step by Step Solution

1. Step 1: Write the proportion equation
   53,042.50 : 115,553 = 115,553 : x
2. Step 2: Convert to fraction form
   53,042.50/115,553 = 115,553/x
3. Step 3: Cross multiply
   53,042.50x = 115,553 × 115,553
4. Step 4: Simplify right side
   53,042.50x = 13,352,495,809
5. Step 5: Solve for x
   x = 13,352,495,809/53,042.50
6. Step 6: Final answer
   x = 251,732.02