Finding the Third Proportional to 118,497 and 253,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,497 : 253,601.50 = 253,601.50 : x
2. Step 2: Convert to fraction form
   118,497/253,601.50 = 253,601.50/x
3. Step 3: Cross multiply
   118,497x = 253,601.50 × 253,601.50
4. Step 4: Simplify right side
   118,497x = 64,313,720,802.25
5. Step 5: Solve for x
   x = 64,313,720,802.25/118,497
6. Step 6: Final answer
   x = 542,745.56