Finding the Third Proportional to 3,400,781 and 7,185,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400,781 : 7,185,448 = 7,185,448 : x
2. Step 2: Convert to fraction form
   3,400,781/7,185,448 = 7,185,448/x
3. Step 3: Cross multiply
   3,400,781x = 7,185,448 × 7,185,448
4. Step 4: Simplify right side
   3,400,781x = 51,630,662,960,704
5. Step 5: Solve for x
   x = 51,630,662,960,704/3,400,781
6. Step 6: Final answer
   x = 15,182,001.71