Finding the Third Proportional to 763,401 and 1,036,784

Step by Step Solution

1. Step 1: Write the proportion equation
   763,401 : 1,036,784 = 1,036,784 : x
2. Step 2: Convert to fraction form
   763,401/1,036,784 = 1,036,784/x
3. Step 3: Cross multiply
   763,401x = 1,036,784 × 1,036,784
4. Step 4: Simplify right side
   763,401x = 1,074,921,062,656
5. Step 5: Solve for x
   x = 1,074,921,062,656/763,401
6. Step 6: Final answer
   x = 1,408,068.71