Finding the Third Proportional to 807,707 and 1,749,139

Step by Step Solution

1. Step 1: Write the proportion equation
   807,707 : 1,749,139 = 1,749,139 : x
2. Step 2: Convert to fraction form
   807,707/1,749,139 = 1,749,139/x
3. Step 3: Cross multiply
   807,707x = 1,749,139 × 1,749,139
4. Step 4: Simplify right side
   807,707x = 3,059,487,241,321
5. Step 5: Solve for x
   x = 3,059,487,241,321/807,707
6. Step 6: Final answer
   x = 3,787,867.68