Finding the Third Proportional to 69,707.25 and 108,090

Step by Step Solution

1. Step 1: Write the proportion equation
   69,707.25 : 108,090 = 108,090 : x
2. Step 2: Convert to fraction form
   69,707.25/108,090 = 108,090/x
3. Step 3: Cross multiply
   69,707.25x = 108,090 × 108,090
4. Step 4: Simplify right side
   69,707.25x = 11,683,448,100
5. Step 5: Solve for x
   x = 11,683,448,100/69,707.25
6. Step 6: Final answer
   x = 167,607.36