Finding the Third Proportional to 64,405.50 and 141,008

Step by Step Solution

1. Step 1: Write the proportion equation
   64,405.50 : 141,008 = 141,008 : x
2. Step 2: Convert to fraction form
   64,405.50/141,008 = 141,008/x
3. Step 3: Cross multiply
   64,405.50x = 141,008 × 141,008
4. Step 4: Simplify right side
   64,405.50x = 19,883,256,064
5. Step 5: Solve for x
   x = 19,883,256,064/64,405.50
6. Step 6: Final answer
   x = 308,719.85