Finding the Third Proportional to 9,864,085.50 and 21,613,851

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864,085.50 : 21,613,851 = 21,613,851 : x
2. Step 2: Convert to fraction form
   9,864,085.50/21,613,851 = 21,613,851/x
3. Step 3: Cross multiply
   9,864,085.50x = 21,613,851 × 21,613,851
4. Step 4: Simplify right side
   9,864,085.50x = 467,158,555,050,201
5. Step 5: Solve for x
   x = 467,158,555,050,201/9,864,085.50
6. Step 6: Final answer
   x = 47,359,540.33