Finding the Third Proportional to 374,916 and 535,750.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,916 : 535,750.50 = 535,750.50 : x
2. Step 2: Convert to fraction form
   374,916/535,750.50 = 535,750.50/x
3. Step 3: Cross multiply
   374,916x = 535,750.50 × 535,750.50
4. Step 4: Simplify right side
   374,916x = 287,028,598,250.25
5. Step 5: Solve for x
   x = 287,028,598,250.25/374,916
6. Step 6: Final answer
   x = 765,581.09