Finding the Third Proportional to 3,720,667.50 and 5,581,020

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720,667.50 : 5,581,020 = 5,581,020 : x
2. Step 2: Convert to fraction form
   3,720,667.50/5,581,020 = 5,581,020/x
3. Step 3: Cross multiply
   3,720,667.50x = 5,581,020 × 5,581,020
4. Step 4: Simplify right side
   3,720,667.50x = 31,147,784,240,400
5. Step 5: Solve for x
   x = 31,147,784,240,400/3,720,667.50
6. Step 6: Final answer
   x = 8,371,558.13