Finding the Third Proportional to 253,725 and 545,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,725 : 545,722.50 = 545,722.50 : x
2. Step 2: Convert to fraction form
   253,725/545,722.50 = 545,722.50/x
3. Step 3: Cross multiply
   253,725x = 545,722.50 × 545,722.50
4. Step 4: Simplify right side
   253,725x = 297,813,047,006.25
5. Step 5: Solve for x
   x = 297,813,047,006.25/253,725
6. Step 6: Final answer
   x = 1,173,763.12