Finding the Third Proportional to 3,669,142 and 8,633,269

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,142 : 8,633,269 = 8,633,269 : x
2. Step 2: Convert to fraction form
   3,669,142/8,633,269 = 8,633,269/x
3. Step 3: Cross multiply
   3,669,142x = 8,633,269 × 8,633,269
4. Step 4: Simplify right side
   3,669,142x = 74,533,333,626,361
5. Step 5: Solve for x
   x = 74,533,333,626,361/3,669,142
6. Step 6: Final answer
   x = 20,313,559.31