Finding the Third Proportional to 31,381.59 and 68,982.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381.59 : 68,982.47 = 68,982.47 : x
2. Step 2: Convert to fraction form
   31,381.59/68,982.47 = 68,982.47/x
3. Step 3: Cross multiply
   31,381.59x = 68,982.47 × 68,982.47
4. Step 4: Simplify right side
   31,381.59x = 4,758,580,994.84
5. Step 5: Solve for x
   x = 4,758,580,994.84/31,381.59
6. Step 6: Final answer
   x = 151,636.05