Finding the Third Proportional to 21,613,792.78 and 33,430,672.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,613,792.78 : 33,430,672.69 = 33,430,672.69 : x
2. Step 2: Convert to fraction form
   21,613,792.78/33,430,672.69 = 33,430,672.69/x
3. Step 3: Cross multiply
   21,613,792.78x = 33,430,672.69 × 33,430,672.69
4. Step 4: Simplify right side
   21,613,792.78x = 1,117,609,876,338,758.50
5. Step 5: Solve for x
   x = 1,117,609,876,338,758.50/21,613,792.78
6. Step 6: Final answer
   x = 51,708,179.48