Finding the Third Proportional to 14,215,184 and 20,789,640

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215,184 : 20,789,640 = 20,789,640 : x
2. Step 2: Convert to fraction form
   14,215,184/20,789,640 = 20,789,640/x
3. Step 3: Cross multiply
   14,215,184x = 20,789,640 × 20,789,640
4. Step 4: Simplify right side
   14,215,184x = 432,209,131,329,600
5. Step 5: Solve for x
   x = 432,209,131,329,600/14,215,184
6. Step 6: Final answer
   x = 30,404,751.10