Finding the Third Proportional to 30,942 and 72,297

Step by Step Solution

1. Step 1: Write the proportion equation
   30,942 : 72,297 = 72,297 : x
2. Step 2: Convert to fraction form
   30,942/72,297 = 72,297/x
3. Step 3: Cross multiply
   30,942x = 72,297 × 72,297
4. Step 4: Simplify right side
   30,942x = 5,226,856,209
5. Step 5: Solve for x
   x = 5,226,856,209/30,942
6. Step 6: Final answer
   x = 168,924.32