Finding the Third Proportional to 583,854 and 879,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   583,854 : 879,956.50 = 879,956.50 : x
2. Step 2: Convert to fraction form
   583,854/879,956.50 = 879,956.50/x
3. Step 3: Cross multiply
   583,854x = 879,956.50 × 879,956.50
4. Step 4: Simplify right side
   583,854x = 774,323,441,892.25
5. Step 5: Solve for x
   x = 774,323,441,892.25/583,854
6. Step 6: Final answer
   x = 1,326,227.86