Finding the Third Proportional to 234,146 and 503,428

Step by Step Solution

1. Step 1: Write the proportion equation
   234,146 : 503,428 = 503,428 : x
2. Step 2: Convert to fraction form
   234,146/503,428 = 503,428/x
3. Step 3: Cross multiply
   234,146x = 503,428 × 503,428
4. Step 4: Simplify right side
   234,146x = 253,439,751,184
5. Step 5: Solve for x
   x = 253,439,751,184/234,146
6. Step 6: Final answer
   x = 1,082,400.52