Finding the Third Proportional to 535,090.50 and 828,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   535,090.50 : 828,179.25 = 828,179.25 : x
2. Step 2: Convert to fraction form
   535,090.50/828,179.25 = 828,179.25/x
3. Step 3: Cross multiply
   535,090.50x = 828,179.25 × 828,179.25
4. Step 4: Simplify right side
   535,090.50x = 685,880,870,130.56
5. Step 5: Solve for x
   x = 685,880,870,130.56/535,090.50
6. Step 6: Final answer
   x = 1,281,803.49