Finding the Third Proportional to 177,898.50 and 275,160

Step by Step Solution

1. Step 1: Write the proportion equation
   177,898.50 : 275,160 = 275,160 : x
2. Step 2: Convert to fraction form
   177,898.50/275,160 = 275,160/x
3. Step 3: Cross multiply
   177,898.50x = 275,160 × 275,160
4. Step 4: Simplify right side
   177,898.50x = 75,713,025,600
5. Step 5: Solve for x
   x = 75,713,025,600/177,898.50
6. Step 6: Final answer
   x = 425,596.76