Finding the Third Proportional to 353,577 and 535,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,577 : 535,501.50 = 535,501.50 : x
2. Step 2: Convert to fraction form
   353,577/535,501.50 = 535,501.50/x
3. Step 3: Cross multiply
   353,577x = 535,501.50 × 535,501.50
4. Step 4: Simplify right side
   353,577x = 286,761,856,502.25
5. Step 5: Solve for x
   x = 286,761,856,502.25/353,577
6. Step 6: Final answer
   x = 811,030.85