Finding the Third Proportional to 21,588,867 and 30,872,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,588,867 : 30,872,335.50 = 30,872,335.50 : x
2. Step 2: Convert to fraction form
   21,588,867/30,872,335.50 = 30,872,335.50/x
3. Step 3: Cross multiply
   21,588,867x = 30,872,335.50 × 30,872,335.50
4. Step 4: Simplify right side
   21,588,867x = 953,101,099,224,560.25
5. Step 5: Solve for x
   x = 953,101,099,224,560.25/21,588,867
6. Step 6: Final answer
   x = 44,147,805.40