Finding the Third Proportional to 375,086 and 535,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,086 : 535,989.50 = 535,989.50 : x
2. Step 2: Convert to fraction form
   375,086/535,989.50 = 535,989.50/x
3. Step 3: Cross multiply
   375,086x = 535,989.50 × 535,989.50
4. Step 4: Simplify right side
   375,086x = 287,284,744,110.25
5. Step 5: Solve for x
   x = 287,284,744,110.25/375,086
6. Step 6: Final answer
   x = 765,917.00