Finding the Third Proportional to 871,519.50 and 1,887,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   871,519.50 : 1,887,799.50 = 1,887,799.50 : x
2. Step 2: Convert to fraction form
   871,519.50/1,887,799.50 = 1,887,799.50/x
3. Step 3: Cross multiply
   871,519.50x = 1,887,799.50 × 1,887,799.50
4. Step 4: Simplify right side
   871,519.50x = 3,563,786,952,200.25
5. Step 5: Solve for x
   x = 3,563,786,952,200.25/871,519.50
6. Step 6: Final answer
   x = 4,089,164.90