Finding the Third Proportional to 3,115,422 and 6,696,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,115,422 : 6,696,216 = 6,696,216 : x
2. Step 2: Convert to fraction form
   3,115,422/6,696,216 = 6,696,216/x
3. Step 3: Cross multiply
   3,115,422x = 6,696,216 × 6,696,216
4. Step 4: Simplify right side
   3,115,422x = 44,839,308,718,656
5. Step 5: Solve for x
   x = 44,839,308,718,656/3,115,422
6. Step 6: Final answer
   x = 14,392,691.81