Finding the Third Proportional to 37,560 and 70,390

Step by Step Solution

1. Step 1: Write the proportion equation
   37,560 : 70,390 = 70,390 : x
2. Step 2: Convert to fraction form
   37,560/70,390 = 70,390/x
3. Step 3: Cross multiply
   37,560x = 70,390 × 70,390
4. Step 4: Simplify right side
   37,560x = 4,954,752,100
5. Step 5: Solve for x
   x = 4,954,752,100/37,560
6. Step 6: Final answer
   x = 131,915.66