Finding the Third Proportional to 3,980,418 and 5,964,366

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,418 : 5,964,366 = 5,964,366 : x
2. Step 2: Convert to fraction form
   3,980,418/5,964,366 = 5,964,366/x
3. Step 3: Cross multiply
   3,980,418x = 5,964,366 × 5,964,366
4. Step 4: Simplify right side
   3,980,418x = 35,573,661,781,956
5. Step 5: Solve for x
   x = 35,573,661,781,956/3,980,418
6. Step 6: Final answer
   x = 8,937,167.35