Finding the Third Proportional to 361,921.50 and 786,051

Step by Step Solution

1. Step 1: Write the proportion equation
   361,921.50 : 786,051 = 786,051 : x
2. Step 2: Convert to fraction form
   361,921.50/786,051 = 786,051/x
3. Step 3: Cross multiply
   361,921.50x = 786,051 × 786,051
4. Step 4: Simplify right side
   361,921.50x = 617,876,174,601
5. Step 5: Solve for x
   x = 617,876,174,601/361,921.50
6. Step 6: Final answer
   x = 1,707,210.47