Finding the Third Proportional to 3,854,457 and 8,300,898

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854,457 : 8,300,898 = 8,300,898 : x
2. Step 2: Convert to fraction form
   3,854,457/8,300,898 = 8,300,898/x
3. Step 3: Cross multiply
   3,854,457x = 8,300,898 × 8,300,898
4. Step 4: Simplify right side
   3,854,457x = 68,904,907,606,404
5. Step 5: Solve for x
   x = 68,904,907,606,404/3,854,457
6. Step 6: Final answer
   x = 17,876,683.44