Finding the Third Proportional to 29,573.12 and 64,137.55

Step by Step Solution

1. Step 1: Write the proportion equation
   29,573.12 : 64,137.55 = 64,137.55 : x
2. Step 2: Convert to fraction form
   29,573.12/64,137.55 = 64,137.55/x
3. Step 3: Cross multiply
   29,573.12x = 64,137.55 × 64,137.55
4. Step 4: Simplify right side
   29,573.12x = 4,113,625,420.22
5. Step 5: Solve for x
   x = 4,113,625,420.22/29,573.12
6. Step 6: Final answer
   x = 139,100.14