Finding the Third Proportional to 92,499.50 and 138,378

Step by Step Solution

1. Step 1: Write the proportion equation
   92,499.50 : 138,378 = 138,378 : x
2. Step 2: Convert to fraction form
   92,499.50/138,378 = 138,378/x
3. Step 3: Cross multiply
   92,499.50x = 138,378 × 138,378
4. Step 4: Simplify right side
   92,499.50x = 19,148,470,884
5. Step 5: Solve for x
   x = 19,148,470,884/92,499.50
6. Step 6: Final answer
   x = 207,011.62