Finding the Third Proportional to 392,268.50 and 838,088

Step by Step Solution

1. Step 1: Write the proportion equation
   392,268.50 : 838,088 = 838,088 : x
2. Step 2: Convert to fraction form
   392,268.50/838,088 = 838,088/x
3. Step 3: Cross multiply
   392,268.50x = 838,088 × 838,088
4. Step 4: Simplify right side
   392,268.50x = 702,391,495,744
5. Step 5: Solve for x
   x = 702,391,495,744/392,268.50
6. Step 6: Final answer
   x = 1,790,588.58