Finding the Third Proportional to 871,234.50 and 1,281,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   871,234.50 : 1,281,210.50 = 1,281,210.50 : x
2. Step 2: Convert to fraction form
   871,234.50/1,281,210.50 = 1,281,210.50/x
3. Step 3: Cross multiply
   871,234.50x = 1,281,210.50 × 1,281,210.50
4. Step 4: Simplify right side
   871,234.50x = 1,641,500,345,310.25
5. Step 5: Solve for x
   x = 1,641,500,345,310.25/871,234.50
6. Step 6: Final answer
   x = 1,884,108.52