Finding the Third Proportional to 21,588,857 and 30,872,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,588,857 : 30,872,319.50 = 30,872,319.50 : x
2. Step 2: Convert to fraction form
   21,588,857/30,872,319.50 = 30,872,319.50/x
3. Step 3: Cross multiply
   21,588,857x = 30,872,319.50 × 30,872,319.50
4. Step 4: Simplify right side
   21,588,857x = 953,100,111,310,080.25
5. Step 5: Solve for x
   x = 953,100,111,310,080.25/21,588,857
6. Step 6: Final answer
   x = 44,147,780.09