Finding the Third Proportional to 1,221,088 and 1,867,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,088 : 1,867,896 = 1,867,896 : x
2. Step 2: Convert to fraction form
   1,221,088/1,867,896 = 1,867,896/x
3. Step 3: Cross multiply
   1,221,088x = 1,867,896 × 1,867,896
4. Step 4: Simplify right side
   1,221,088x = 3,489,035,466,816
5. Step 5: Solve for x
   x = 3,489,035,466,816/1,221,088
6. Step 6: Final answer
   x = 2,857,316.97