Finding the Third Proportional to 14,215,067.50 and 20,789,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215,067.50 : 20,789,479.50 = 20,789,479.50 : x
2. Step 2: Convert to fraction form
   14,215,067.50/20,789,479.50 = 20,789,479.50/x
3. Step 3: Cross multiply
   14,215,067.50x = 20,789,479.50 × 20,789,479.50
4. Step 4: Simplify right side
   14,215,067.50x = 432,202,457,880,920.25
5. Step 5: Solve for x
   x = 432,202,457,880,920.25/14,215,067.50
6. Step 6: Final answer
   x = 30,404,530.82