Finding the Third Proportional to 20,064 and 42,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,064 : 42,719.50 = 42,719.50 : x
2. Step 2: Convert to fraction form
   20,064/42,719.50 = 42,719.50/x
3. Step 3: Cross multiply
   20,064x = 42,719.50 × 42,719.50
4. Step 4: Simplify right side
   20,064x = 1,824,955,680.25
5. Step 5: Solve for x
   x = 1,824,955,680.25/20,064
6. Step 6: Final answer
   x = 90,956.72