Finding the Third Proportional to 619,370 and 1,356,838

Step by Step Solution

1. Step 1: Write the proportion equation
   619,370 : 1,356,838 = 1,356,838 : x
2. Step 2: Convert to fraction form
   619,370/1,356,838 = 1,356,838/x
3. Step 3: Cross multiply
   619,370x = 1,356,838 × 1,356,838
4. Step 4: Simplify right side
   619,370x = 1,841,009,358,244
5. Step 5: Solve for x
   x = 1,841,009,358,244/619,370
6. Step 6: Final answer
   x = 2,972,390.26