Finding the Third Proportional to 4,446,864 and 9,696,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,446,864 : 9,696,672 = 9,696,672 : x
2. Step 2: Convert to fraction form
   4,446,864/9,696,672 = 9,696,672/x
3. Step 3: Cross multiply
   4,446,864x = 9,696,672 × 9,696,672
4. Step 4: Simplify right side
   4,446,864x = 94,025,447,875,584
5. Step 5: Solve for x
   x = 94,025,447,875,584/4,446,864
6. Step 6: Final answer
   x = 21,144,214.86