Finding the Third Proportional to 783,078.50 and 1,658,818

Step by Step Solution

1. Step 1: Write the proportion equation
   783,078.50 : 1,658,818 = 1,658,818 : x
2. Step 2: Convert to fraction form
   783,078.50/1,658,818 = 1,658,818/x
3. Step 3: Cross multiply
   783,078.50x = 1,658,818 × 1,658,818
4. Step 4: Simplify right side
   783,078.50x = 2,751,677,157,124
5. Step 5: Solve for x
   x = 2,751,677,157,124/783,078.50
6. Step 6: Final answer
   x = 3,513,922.50