Finding the Third Proportional to 619,372 and 1,356,842

Step by Step Solution

1. Step 1: Write the proportion equation
   619,372 : 1,356,842 = 1,356,842 : x
2. Step 2: Convert to fraction form
   619,372/1,356,842 = 1,356,842/x
3. Step 3: Cross multiply
   619,372x = 1,356,842 × 1,356,842
4. Step 4: Simplify right side
   619,372x = 1,841,020,212,964
5. Step 5: Solve for x
   x = 1,841,020,212,964/619,372
6. Step 6: Final answer
   x = 2,972,398.19