Finding the Third Proportional to 4,164,660 and 8,445,231

Step by Step Solution

1. Step 1: Write the proportion equation
   4,164,660 : 8,445,231 = 8,445,231 : x
2. Step 2: Convert to fraction form
   4,164,660/8,445,231 = 8,445,231/x
3. Step 3: Cross multiply
   4,164,660x = 8,445,231 × 8,445,231
4. Step 4: Simplify right side
   4,164,660x = 71,321,926,643,361
5. Step 5: Solve for x
   x = 71,321,926,643,361/4,164,660
6. Step 6: Final answer
   x = 17,125,510.04