Finding the Third Proportional to 2,690,438 and 3,932,192

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,438 : 3,932,192 = 3,932,192 : x
2. Step 2: Convert to fraction form
   2,690,438/3,932,192 = 3,932,192/x
3. Step 3: Cross multiply
   2,690,438x = 3,932,192 × 3,932,192
4. Step 4: Simplify right side
   2,690,438x = 15,462,133,924,864
5. Step 5: Solve for x
   x = 15,462,133,924,864/2,690,438
6. Step 6: Final answer
   x = 5,747,069.41