Finding the Third Proportional to 1,242,942 and 1,881,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,942 : 1,881,216 = 1,881,216 : x
2. Step 2: Convert to fraction form
   1,242,942/1,881,216 = 1,881,216/x
3. Step 3: Cross multiply
   1,242,942x = 1,881,216 × 1,881,216
4. Step 4: Simplify right side
   1,242,942x = 3,538,973,638,656
5. Step 5: Solve for x
   x = 3,538,973,638,656/1,242,942
6. Step 6: Final answer
   x = 2,847,255.66