Finding the Third Proportional to 21,835.13 and 40,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,835.13 : 40,612.50 = 40,612.50 : x
2. Step 2: Convert to fraction form
   21,835.13/40,612.50 = 40,612.50/x
3. Step 3: Cross multiply
   21,835.13x = 40,612.50 × 40,612.50
4. Step 4: Simplify right side
   21,835.13x = 1,649,375,156.25
5. Step 5: Solve for x
   x = 1,649,375,156.25/21,835.13
6. Step 6: Final answer
   x = 75,537.70