Finding the Third Proportional to 4,179,431 and 8,535,970

Step by Step Solution

1. Step 1: Write the proportion equation
   4,179,431 : 8,535,970 = 8,535,970 : x
2. Step 2: Convert to fraction form
   4,179,431/8,535,970 = 8,535,970/x
3. Step 3: Cross multiply
   4,179,431x = 8,535,970 × 8,535,970
4. Step 4: Simplify right side
   4,179,431x = 72,862,783,840,900
5. Step 5: Solve for x
   x = 72,862,783,840,900/4,179,431
6. Step 6: Final answer
   x = 17,433,661.15