Finding the Third Proportional to 1,213,058 and 2,641,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,058 : 2,641,396 = 2,641,396 : x
2. Step 2: Convert to fraction form
   1,213,058/2,641,396 = 2,641,396/x
3. Step 3: Cross multiply
   1,213,058x = 2,641,396 × 2,641,396
4. Step 4: Simplify right side
   1,213,058x = 6,976,972,828,816
5. Step 5: Solve for x
   x = 6,976,972,828,816/1,213,058
6. Step 6: Final answer
   x = 5,751,557.49