Finding the Third Proportional to 861,311 and 1,322,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   861,311 : 1,322,099.50 = 1,322,099.50 : x
2. Step 2: Convert to fraction form
   861,311/1,322,099.50 = 1,322,099.50/x
3. Step 3: Cross multiply
   861,311x = 1,322,099.50 × 1,322,099.50
4. Step 4: Simplify right side
   861,311x = 1,747,947,087,900.25
5. Step 5: Solve for x
   x = 1,747,947,087,900.25/861,311
6. Step 6: Final answer
   x = 2,029,402.95