Finding the Third Proportional to 619,010 and 1,339,396

Step by Step Solution

1. Step 1: Write the proportion equation
   619,010 : 1,339,396 = 1,339,396 : x
2. Step 2: Convert to fraction form
   619,010/1,339,396 = 1,339,396/x
3. Step 3: Cross multiply
   619,010x = 1,339,396 × 1,339,396
4. Step 4: Simplify right side
   619,010x = 1,793,981,644,816
5. Step 5: Solve for x
   x = 1,793,981,644,816/619,010
6. Step 6: Final answer
   x = 2,898,146.47