Finding the Third Proportional to 40,293 and 56,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,293 : 56,641.50 = 56,641.50 : x
2. Step 2: Convert to fraction form
   40,293/56,641.50 = 56,641.50/x
3. Step 3: Cross multiply
   40,293x = 56,641.50 × 56,641.50
4. Step 4: Simplify right side
   40,293x = 3,208,259,522.25
5. Step 5: Solve for x
   x = 3,208,259,522.25/40,293
6. Step 6: Final answer
   x = 79,623.25