Finding the Third Proportional to 182,257.50 and 392,454

Step by Step Solution

1. Step 1: Write the proportion equation
   182,257.50 : 392,454 = 392,454 : x
2. Step 2: Convert to fraction form
   182,257.50/392,454 = 392,454/x
3. Step 3: Cross multiply
   182,257.50x = 392,454 × 392,454
4. Step 4: Simplify right side
   182,257.50x = 154,020,142,116
5. Step 5: Solve for x
   x = 154,020,142,116/182,257.50
6. Step 6: Final answer
   x = 845,068.88