Finding the Third Proportional to 142,635.94 and 220,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,635.94 : 220,742.72 = 220,742.72 : x
2. Step 2: Convert to fraction form
   142,635.94/220,742.72 = 220,742.72/x
3. Step 3: Cross multiply
   142,635.94x = 220,742.72 × 220,742.72
4. Step 4: Simplify right side
   142,635.94x = 48,727,347,881.14
5. Step 5: Solve for x
   x = 48,727,347,881.14/142,635.94
6. Step 6: Final answer
   x = 341,620.41