Finding the Third Proportional to 252,472.50 and 379,356

Step by Step Solution

1. Step 1: Write the proportion equation
   252,472.50 : 379,356 = 379,356 : x
2. Step 2: Convert to fraction form
   252,472.50/379,356 = 379,356/x
3. Step 3: Cross multiply
   252,472.50x = 379,356 × 379,356
4. Step 4: Simplify right side
   252,472.50x = 143,910,974,736
5. Step 5: Solve for x
   x = 143,910,974,736/252,472.50
6. Step 6: Final answer
   x = 570,006.53