Finding the Third Proportional to 871,162.50 and 1,868,435

Step by Step Solution

1. Step 1: Write the proportion equation
   871,162.50 : 1,868,435 = 1,868,435 : x
2. Step 2: Convert to fraction form
   871,162.50/1,868,435 = 1,868,435/x
3. Step 3: Cross multiply
   871,162.50x = 1,868,435 × 1,868,435
4. Step 4: Simplify right side
   871,162.50x = 3,491,049,349,225
5. Step 5: Solve for x
   x = 3,491,049,349,225/871,162.50
6. Step 6: Final answer
   x = 4,007,345.76