Finding the Third Proportional to 239,303.50 and 522,074

Step by Step Solution

1. Step 1: Write the proportion equation
   239,303.50 : 522,074 = 522,074 : x
2. Step 2: Convert to fraction form
   239,303.50/522,074 = 522,074/x
3. Step 3: Cross multiply
   239,303.50x = 522,074 × 522,074
4. Step 4: Simplify right side
   239,303.50x = 272,561,261,476
5. Step 5: Solve for x
   x = 272,561,261,476/239,303.50
6. Step 6: Final answer
   x = 1,138,977.33