Finding the Third Proportional to 535,779 and 828,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,779 : 828,856.50 = 828,856.50 : x
2. Step 2: Convert to fraction form
   535,779/828,856.50 = 828,856.50/x
3. Step 3: Cross multiply
   535,779x = 828,856.50 × 828,856.50
4. Step 4: Simplify right side
   535,779x = 687,003,097,592.25
5. Step 5: Solve for x
   x = 687,003,097,592.25/535,779
6. Step 6: Final answer
   x = 1,282,250.89