Finding the Third Proportional to 392,267.25 and 838,086

Step by Step Solution

1. Step 1: Write the proportion equation
   392,267.25 : 838,086 = 838,086 : x
2. Step 2: Convert to fraction form
   392,267.25/838,086 = 838,086/x
3. Step 3: Cross multiply
   392,267.25x = 838,086 × 838,086
4. Step 4: Simplify right side
   392,267.25x = 702,388,143,396
5. Step 5: Solve for x
   x = 702,388,143,396/392,267.25
6. Step 6: Final answer
   x = 1,790,585.74