Finding the Third Proportional to 3,669,140 and 8,633,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,140 : 8,633,268 = 8,633,268 : x
2. Step 2: Convert to fraction form
   3,669,140/8,633,268 = 8,633,268/x
3. Step 3: Cross multiply
   3,669,140x = 8,633,268 × 8,633,268
4. Step 4: Simplify right side
   3,669,140x = 74,533,316,359,824
5. Step 5: Solve for x
   x = 74,533,316,359,824/3,669,140
6. Step 6: Final answer
   x = 20,313,565.67