Finding the Third Proportional to 185,520.50 and 406,548

Step by Step Solution

1. Step 1: Write the proportion equation
   185,520.50 : 406,548 = 406,548 : x
2. Step 2: Convert to fraction form
   185,520.50/406,548 = 406,548/x
3. Step 3: Cross multiply
   185,520.50x = 406,548 × 406,548
4. Step 4: Simplify right side
   185,520.50x = 165,281,276,304
5. Step 5: Solve for x
   x = 165,281,276,304/185,520.50
6. Step 6: Final answer
   x = 890,905.73