Finding the Third Proportional to 14,215,059.50 and 20,789,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215,059.50 : 20,789,467.50 = 20,789,467.50 : x
2. Step 2: Convert to fraction form
   14,215,059.50/20,789,467.50 = 20,789,467.50/x
3. Step 3: Cross multiply
   14,215,059.50x = 20,789,467.50 × 20,789,467.50
4. Step 4: Simplify right side
   14,215,059.50x = 432,201,958,933,556.25
5. Step 5: Solve for x
   x = 432,201,958,933,556.25/14,215,059.50
6. Step 6: Final answer
   x = 30,404,512.83