Finding the Third Proportional to 139,376 and 187,275

Step by Step Solution

1. Step 1: Write the proportion equation
   139,376 : 187,275 = 187,275 : x
2. Step 2: Convert to fraction form
   139,376/187,275 = 187,275/x
3. Step 3: Cross multiply
   139,376x = 187,275 × 187,275
4. Step 4: Simplify right side
   139,376x = 35,071,925,625
5. Step 5: Solve for x
   x = 35,071,925,625/139,376
6. Step 6: Final answer
   x = 251,635.33