Finding the Third Proportional to 31,433.63 and 67,767.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,433.63 : 67,767.75 = 67,767.75 : x
2. Step 2: Convert to fraction form
   31,433.63/67,767.75 = 67,767.75/x
3. Step 3: Cross multiply
   31,433.63x = 67,767.75 × 67,767.75
4. Step 4: Simplify right side
   31,433.63x = 4,592,467,940.06
5. Step 5: Solve for x
   x = 4,592,467,940.06/31,433.63
6. Step 6: Final answer
   x = 146,100.49