Finding the Third Proportional to 367,470 and 787,426

Step by Step Solution

1. Step 1: Write the proportion equation
   367,470 : 787,426 = 787,426 : x
2. Step 2: Convert to fraction form
   367,470/787,426 = 787,426/x
3. Step 3: Cross multiply
   367,470x = 787,426 × 787,426
4. Step 4: Simplify right side
   367,470x = 620,039,705,476
5. Step 5: Solve for x
   x = 620,039,705,476/367,470
6. Step 6: Final answer
   x = 1,687,320.61