Finding the Third Proportional to 92,388 and 139,414

Step by Step Solution

1. Step 1: Write the proportion equation
   92,388 : 139,414 = 139,414 : x
2. Step 2: Convert to fraction form
   92,388/139,414 = 139,414/x
3. Step 3: Cross multiply
   92,388x = 139,414 × 139,414
4. Step 4: Simplify right side
   92,388x = 19,436,263,396
5. Step 5: Solve for x
   x = 19,436,263,396/92,388
6. Step 6: Final answer
   x = 210,376.49