Finding the Third Proportional to 29,405.25 and 64,141.88

Step by Step Solution

1. Step 1: Write the proportion equation
   29,405.25 : 64,141.88 = 64,141.88 : x
2. Step 2: Convert to fraction form
   29,405.25/64,141.88 = 64,141.88/x
3. Step 3: Cross multiply
   29,405.25x = 64,141.88 × 64,141.88
4. Step 4: Simplify right side
   29,405.25x = 4,114,180,128.52
5. Step 5: Solve for x
   x = 4,114,180,128.52/29,405.25
6. Step 6: Final answer
   x = 139,913.12