Finding the Third Proportional to 619,654 and 1,357,244

Step by Step Solution

1. Step 1: Write the proportion equation
   619,654 : 1,357,244 = 1,357,244 : x
2. Step 2: Convert to fraction form
   619,654/1,357,244 = 1,357,244/x
3. Step 3: Cross multiply
   619,654x = 1,357,244 × 1,357,244
4. Step 4: Simplify right side
   619,654x = 1,842,111,275,536
5. Step 5: Solve for x
   x = 1,842,111,275,536/619,654
6. Step 6: Final answer
   x = 2,972,806.24