Finding the Third Proportional to 359,691 and 787,908

Step by Step Solution

1. Step 1: Write the proportion equation
   359,691 : 787,908 = 787,908 : x
2. Step 2: Convert to fraction form
   359,691/787,908 = 787,908/x
3. Step 3: Cross multiply
   359,691x = 787,908 × 787,908
4. Step 4: Simplify right side
   359,691x = 620,799,016,464
5. Step 5: Solve for x
   x = 620,799,016,464/359,691
6. Step 6: Final answer
   x = 1,725,923.13