Finding the Third Proportional to 21,347.50 and 31,468.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,347.50 : 31,468.75 = 31,468.75 : x
2. Step 2: Convert to fraction form
   21,347.50/31,468.75 = 31,468.75/x
3. Step 3: Cross multiply
   21,347.50x = 31,468.75 × 31,468.75
4. Step 4: Simplify right side
   21,347.50x = 990,282,226.56
5. Step 5: Solve for x
   x = 990,282,226.56/21,347.50
6. Step 6: Final answer
   x = 46,388.67