Finding the Third Proportional to 871,321.50 and 1,887,401.25

Step by Step Solution

1. Step 1: Write the proportion equation
   871,321.50 : 1,887,401.25 = 1,887,401.25 : x
2. Step 2: Convert to fraction form
   871,321.50/1,887,401.25 = 1,887,401.25/x
3. Step 3: Cross multiply
   871,321.50x = 1,887,401.25 × 1,887,401.25
4. Step 4: Simplify right side
   871,321.50x = 3,562,283,478,501.56
5. Step 5: Solve for x
   x = 3,562,283,478,501.56/871,321.50
6. Step 6: Final answer
   x = 4,088,368.62