Finding the Third Proportional to 233,902 and 507,139

Step by Step Solution

1. Step 1: Write the proportion equation
   233,902 : 507,139 = 507,139 : x
2. Step 2: Convert to fraction form
   233,902/507,139 = 507,139/x
3. Step 3: Cross multiply
   233,902x = 507,139 × 507,139
4. Step 4: Simplify right side
   233,902x = 257,189,965,321
5. Step 5: Solve for x
   x = 257,189,965,321/233,902
6. Step 6: Final answer
   x = 1,099,562.92