Finding the Third Proportional to 2,116,729.50 and 3,179,862

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,729.50 : 3,179,862 = 3,179,862 : x
2. Step 2: Convert to fraction form
   2,116,729.50/3,179,862 = 3,179,862/x
3. Step 3: Cross multiply
   2,116,729.50x = 3,179,862 × 3,179,862
4. Step 4: Simplify right side
   2,116,729.50x = 10,111,522,339,044
5. Step 5: Solve for x
   x = 10,111,522,339,044/2,116,729.50
6. Step 6: Final answer
   x = 4,776,955.36