Finding the Third Proportional to 807,709 and 1,749,143

Step by Step Solution

1. Step 1: Write the proportion equation
   807,709 : 1,749,143 = 1,749,143 : x
2. Step 2: Convert to fraction form
   807,709/1,749,143 = 1,749,143/x
3. Step 3: Cross multiply
   807,709x = 1,749,143 × 1,749,143
4. Step 4: Simplify right side
   807,709x = 3,059,501,234,449
5. Step 5: Solve for x
   x = 3,059,501,234,449/807,709
6. Step 6: Final answer
   x = 3,787,875.63