Finding the Third Proportional to 393,517.50 and 843,051

Step by Step Solution

1. Step 1: Write the proportion equation
   393,517.50 : 843,051 = 843,051 : x
2. Step 2: Convert to fraction form
   393,517.50/843,051 = 843,051/x
3. Step 3: Cross multiply
   393,517.50x = 843,051 × 843,051
4. Step 4: Simplify right side
   393,517.50x = 710,734,988,601
5. Step 5: Solve for x
   x = 710,734,988,601/393,517.50
6. Step 6: Final answer
   x = 1,806,107.70