Finding the Third Proportional to 871,843.50 and 1,911,883.50

Step by Step Solution

1. Step 1: Write the proportion equation
   871,843.50 : 1,911,883.50 = 1,911,883.50 : x
2. Step 2: Convert to fraction form
   871,843.50/1,911,883.50 = 1,911,883.50/x
3. Step 3: Cross multiply
   871,843.50x = 1,911,883.50 × 1,911,883.50
4. Step 4: Simplify right side
   871,843.50x = 3,655,298,517,572.25
5. Step 5: Solve for x
   x = 3,655,298,517,572.25/871,843.50
6. Step 6: Final answer
   x = 4,192,608.56