Finding the Third Proportional to 4,370,438 and 8,914,216

Step by Step Solution

1. Step 1: Write the proportion equation
   4,370,438 : 8,914,216 = 8,914,216 : x
2. Step 2: Convert to fraction form
   4,370,438/8,914,216 = 8,914,216/x
3. Step 3: Cross multiply
   4,370,438x = 8,914,216 × 8,914,216
4. Step 4: Simplify right side
   4,370,438x = 79,463,246,894,656
5. Step 5: Solve for x
   x = 79,463,246,894,656/4,370,438
6. Step 6: Final answer
   x = 18,181,987.00