Finding the Third Proportional to 4,207,246 and 9,215,344

Step by Step Solution

1. Step 1: Write the proportion equation
   4,207,246 : 9,215,344 = 9,215,344 : x
2. Step 2: Convert to fraction form
   4,207,246/9,215,344 = 9,215,344/x
3. Step 3: Cross multiply
   4,207,246x = 9,215,344 × 9,215,344
4. Step 4: Simplify right side
   4,207,246x = 84,922,565,038,336
5. Step 5: Solve for x
   x = 84,922,565,038,336/4,207,246
6. Step 6: Final answer
   x = 20,184,834.70