Finding the Third Proportional to 31,267.27 and 64,607.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,267.27 : 64,607.63 = 64,607.63 : x
2. Step 2: Convert to fraction form
   31,267.27/64,607.63 = 64,607.63/x
3. Step 3: Cross multiply
   31,267.27x = 64,607.63 × 64,607.63
4. Step 4: Simplify right side
   31,267.27x = 4,174,145,208.14
5. Step 5: Solve for x
   x = 4,174,145,208.14/31,267.27
6. Step 6: Final answer
   x = 133,498.89