Finding the Third Proportional to 21,231,863,342.50 and 32,966,515,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,231,863,342.50 : 32,966,515,452.50 = 32,966,515,452.50 : x
2. Step 2: Convert to fraction form
   21,231,863,342.50/32,966,515,452.50 = 32,966,515,452.50/x
3. Step 3: Cross multiply
   21,231,863,342.50x = 32,966,515,452.50 × 32,966,515,452.50
4. Step 4: Simplify right side
   21,231,863,342.50x = 1,086,791,141,079,921,328,128
5. Step 5: Solve for x
   x = 1,086,791,141,079,921,328,128/21,231,863,342.50
6. Step 6: Final answer
   x = 51,186,799,931.24