Finding the Third Proportional to 4,179,418 and 8,535,946

Step by Step Solution

1. Step 1: Write the proportion equation
   4,179,418 : 8,535,946 = 8,535,946 : x
2. Step 2: Convert to fraction form
   4,179,418/8,535,946 = 8,535,946/x
3. Step 3: Cross multiply
   4,179,418x = 8,535,946 × 8,535,946
4. Step 4: Simplify right side
   4,179,418x = 72,862,374,114,916
5. Step 5: Solve for x
   x = 72,862,374,114,916/4,179,418
6. Step 6: Final answer
   x = 17,433,617.34