Finding the Third Proportional to 239,155.50 and 507,471

Step by Step Solution

1. Step 1: Write the proportion equation
   239,155.50 : 507,471 = 507,471 : x
2. Step 2: Convert to fraction form
   239,155.50/507,471 = 507,471/x
3. Step 3: Cross multiply
   239,155.50x = 507,471 × 507,471
4. Step 4: Simplify right side
   239,155.50x = 257,526,815,841
5. Step 5: Solve for x
   x = 257,526,815,841/239,155.50
6. Step 6: Final answer
   x = 1,076,817.45