Finding the Third Proportional to 4,386,336 and 9,781,224

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,336 : 9,781,224 = 9,781,224 : x
2. Step 2: Convert to fraction form
   4,386,336/9,781,224 = 9,781,224/x
3. Step 3: Cross multiply
   4,386,336x = 9,781,224 × 9,781,224
4. Step 4: Simplify right side
   4,386,336x = 95,672,342,938,176
5. Step 5: Solve for x
   x = 95,672,342,938,176/4,386,336
6. Step 6: Final answer
   x = 21,811,448.77