Finding the Third Proportional to 392,071.50 and 849,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   392,071.50 : 849,955.50 = 849,955.50 : x
2. Step 2: Convert to fraction form
   392,071.50/849,955.50 = 849,955.50/x
3. Step 3: Cross multiply
   392,071.50x = 849,955.50 × 849,955.50
4. Step 4: Simplify right side
   392,071.50x = 722,424,351,980.25
5. Step 5: Solve for x
   x = 722,424,351,980.25/392,071.50
6. Step 6: Final answer
   x = 1,842,583.18