Finding the Third Proportional to 77,368.50 and 104,388

Step by Step Solution

1. Step 1: Write the proportion equation
   77,368.50 : 104,388 = 104,388 : x
2. Step 2: Convert to fraction form
   77,368.50/104,388 = 104,388/x
3. Step 3: Cross multiply
   77,368.50x = 104,388 × 104,388
4. Step 4: Simplify right side
   77,368.50x = 10,896,854,544
5. Step 5: Solve for x
   x = 10,896,854,544/77,368.50
6. Step 6: Final answer
   x = 140,843.55