Finding the Third Proportional to 4,491,693 and 9,740,061

Step by Step Solution

1. Step 1: Write the proportion equation
   4,491,693 : 9,740,061 = 9,740,061 : x
2. Step 2: Convert to fraction form
   4,491,693/9,740,061 = 9,740,061/x
3. Step 3: Cross multiply
   4,491,693x = 9,740,061 × 9,740,061
4. Step 4: Simplify right side
   4,491,693x = 94,868,788,283,721
5. Step 5: Solve for x
   x = 94,868,788,283,721/4,491,693
6. Step 6: Final answer
   x = 21,120,942.21