Finding the Third Proportional to 619,272 and 1,356,564

Step by Step Solution

1. Step 1: Write the proportion equation
   619,272 : 1,356,564 = 1,356,564 : x
2. Step 2: Convert to fraction form
   619,272/1,356,564 = 1,356,564/x
3. Step 3: Cross multiply
   619,272x = 1,356,564 × 1,356,564
4. Step 4: Simplify right side
   619,272x = 1,840,265,886,096
5. Step 5: Solve for x
   x = 1,840,265,886,096/619,272
6. Step 6: Final answer
   x = 2,971,660.09