Finding the Third Proportional to 619,373 and 1,356,844

Step by Step Solution

1. Step 1: Write the proportion equation
   619,373 : 1,356,844 = 1,356,844 : x
2. Step 2: Convert to fraction form
   619,373/1,356,844 = 1,356,844/x
3. Step 3: Cross multiply
   619,373x = 1,356,844 × 1,356,844
4. Step 4: Simplify right side
   619,373x = 1,841,025,640,336
5. Step 5: Solve for x
   x = 1,841,025,640,336/619,373
6. Step 6: Final answer
   x = 2,972,402.16