Finding the Third Proportional to 3,720,664.50 and 5,581,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720,664.50 : 5,581,015.50 = 5,581,015.50 : x
2. Step 2: Convert to fraction form
   3,720,664.50/5,581,015.50 = 5,581,015.50/x
3. Step 3: Cross multiply
   3,720,664.50x = 5,581,015.50 × 5,581,015.50
4. Step 4: Simplify right side
   3,720,664.50x = 31,147,734,011,240.25
5. Step 5: Solve for x
   x = 31,147,734,011,240.25/3,720,664.50
6. Step 6: Final answer
   x = 8,371,551.38