Finding the Third Proportional to 392,061 and 850,506

Step by Step Solution

1. Step 1: Write the proportion equation
   392,061 : 850,506 = 850,506 : x
2. Step 2: Convert to fraction form
   392,061/850,506 = 850,506/x
3. Step 3: Cross multiply
   392,061x = 850,506 × 850,506
4. Step 4: Simplify right side
   392,061x = 723,360,456,036
5. Step 5: Solve for x
   x = 723,360,456,036/392,061
6. Step 6: Final answer
   x = 1,845,020.18