Finding the Third Proportional to 2,311,579.69 and 3,681,421.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,579.69 : 3,681,421.31 = 3,681,421.31 : x
2. Step 2: Convert to fraction form
   2,311,579.69/3,681,421.31 = 3,681,421.31/x
3. Step 3: Cross multiply
   2,311,579.69x = 3,681,421.31 × 3,681,421.31
4. Step 4: Simplify right side
   2,311,579.69x = 13,552,862,880,129.22
5. Step 5: Solve for x
   x = 13,552,862,880,129.22/2,311,579.69
6. Step 6: Final answer
   x = 5,863,030.79