Finding the Third Proportional to 4,386,406 and 9,781,362

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,406 : 9,781,362 = 9,781,362 : x
2. Step 2: Convert to fraction form
   4,386,406/9,781,362 = 9,781,362/x
3. Step 3: Cross multiply
   4,386,406x = 9,781,362 × 9,781,362
4. Step 4: Simplify right side
   4,386,406x = 95,675,042,575,044
5. Step 5: Solve for x
   x = 95,675,042,575,044/4,386,406
6. Step 6: Final answer
   x = 21,811,716.15