Finding the Third Proportional to 69,855.50 and 104,788

Step by Step Solution

1. Step 1: Write the proportion equation
   69,855.50 : 104,788 = 104,788 : x
2. Step 2: Convert to fraction form
   69,855.50/104,788 = 104,788/x
3. Step 3: Cross multiply
   69,855.50x = 104,788 × 104,788
4. Step 4: Simplify right side
   69,855.50x = 10,980,524,944
5. Step 5: Solve for x
   x = 10,980,524,944/69,855.50
6. Step 6: Final answer
   x = 157,189.13