Finding the Third Proportional to 392,550 and 862,515.38

Step by Step Solution

1. Step 1: Write the proportion equation
   392,550 : 862,515.38 = 862,515.38 : x
2. Step 2: Convert to fraction form
   392,550/862,515.38 = 862,515.38/x
3. Step 3: Cross multiply
   392,550x = 862,515.38 × 862,515.38
4. Step 4: Simplify right side
   392,550x = 743,932,772,111.39
5. Step 5: Solve for x
   x = 743,932,772,111.39/392,550
6. Step 6: Final answer
   x = 1,895,128.70