Finding the Third Proportional to 21,762 and 28,937.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,762 : 28,937.25 = 28,937.25 : x
2. Step 2: Convert to fraction form
   21,762/28,937.25 = 28,937.25/x
3. Step 3: Cross multiply
   21,762x = 28,937.25 × 28,937.25
4. Step 4: Simplify right side
   21,762x = 837,364,437.56
5. Step 5: Solve for x
   x = 837,364,437.56/21,762
6. Step 6: Final answer
   x = 38,478.28