Finding the Third Proportional to 40,213.34 and 79,416.70

Step by Step Solution

1. Step 1: Write the proportion equation
   40,213.34 : 79,416.70 = 79,416.70 : x
2. Step 2: Convert to fraction form
   40,213.34/79,416.70 = 79,416.70/x
3. Step 3: Cross multiply
   40,213.34x = 79,416.70 × 79,416.70
4. Step 4: Simplify right side
   40,213.34x = 6,307,012,735.24
5. Step 5: Solve for x
   x = 6,307,012,735.24/40,213.34
6. Step 6: Final answer
   x = 156,838.83