Finding the Third Proportional to 64,742.88 and 141,493.88

Step by Step Solution

1. Step 1: Write the proportion equation
   64,742.88 : 141,493.88 = 141,493.88 : x
2. Step 2: Convert to fraction form
   64,742.88/141,493.88 = 141,493.88/x
3. Step 3: Cross multiply
   64,742.88x = 141,493.88 × 141,493.88
4. Step 4: Simplify right side
   64,742.88x = 20,020,516,662.52
5. Step 5: Solve for x
   x = 20,020,516,662.52/64,742.88
6. Step 6: Final answer
   x = 309,231.20