Finding the Third Proportional to 182,622 and 398,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   182,622 : 398,461.50 = 398,461.50 : x
2. Step 2: Convert to fraction form
   182,622/398,461.50 = 398,461.50/x
3. Step 3: Cross multiply
   182,622x = 398,461.50 × 398,461.50
4. Step 4: Simplify right side
   182,622x = 158,771,566,982.25
5. Step 5: Solve for x
   x = 158,771,566,982.25/182,622
6. Step 6: Final answer
   x = 869,400.00