Finding the Third Proportional to 30,202.88 and 68,237.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,202.88 : 68,237.63 = 68,237.63 : x
2. Step 2: Convert to fraction form
   30,202.88/68,237.63 = 68,237.63/x
3. Step 3: Cross multiply
   30,202.88x = 68,237.63 × 68,237.63
4. Step 4: Simplify right side
   30,202.88x = 4,656,373,465.64
5. Step 5: Solve for x
   x = 4,656,373,465.64/30,202.88
6. Step 6: Final answer
   x = 154,169.88