Finding the Third Proportional to 535,290 and 782,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,290 : 782,833.50 = 782,833.50 : x
2. Step 2: Convert to fraction form
   535,290/782,833.50 = 782,833.50/x
3. Step 3: Cross multiply
   535,290x = 782,833.50 × 782,833.50
4. Step 4: Simplify right side
   535,290x = 612,828,288,722.25
5. Step 5: Solve for x
   x = 612,828,288,722.25/535,290
6. Step 6: Final answer
   x = 1,144,852.86