Finding the Third Proportional to 117,580.50 and 253,746

Step by Step Solution

1. Step 1: Write the proportion equation
   117,580.50 : 253,746 = 253,746 : x
2. Step 2: Convert to fraction form
   117,580.50/253,746 = 253,746/x
3. Step 3: Cross multiply
   117,580.50x = 253,746 × 253,746
4. Step 4: Simplify right side
   117,580.50x = 64,387,032,516
5. Step 5: Solve for x
   x = 64,387,032,516/117,580.50
6. Step 6: Final answer
   x = 547,599.58