Finding the Third Proportional to 182,275.50 and 392,490

Step by Step Solution

1. Step 1: Write the proportion equation
   182,275.50 : 392,490 = 392,490 : x
2. Step 2: Convert to fraction form
   182,275.50/392,490 = 392,490/x
3. Step 3: Cross multiply
   182,275.50x = 392,490 × 392,490
4. Step 4: Simplify right side
   182,275.50x = 154,048,400,100
5. Step 5: Solve for x
   x = 154,048,400,100/182,275.50
6. Step 6: Final answer
   x = 845,140.46