Finding the Third Proportional to 3,669,495 and 8,290,324

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,495 : 8,290,324 = 8,290,324 : x
2. Step 2: Convert to fraction form
   3,669,495/8,290,324 = 8,290,324/x
3. Step 3: Cross multiply
   3,669,495x = 8,290,324 × 8,290,324
4. Step 4: Simplify right side
   3,669,495x = 68,729,472,024,976
5. Step 5: Solve for x
   x = 68,729,472,024,976/3,669,495
6. Step 6: Final answer
   x = 18,729,953.86