Finding the Third Proportional to 108,726 and 153,112

Step by Step Solution

1. Step 1: Write the proportion equation
   108,726 : 153,112 = 153,112 : x
2. Step 2: Convert to fraction form
   108,726/153,112 = 153,112/x
3. Step 3: Cross multiply
   108,726x = 153,112 × 153,112
4. Step 4: Simplify right side
   108,726x = 23,443,284,544
5. Step 5: Solve for x
   x = 23,443,284,544/108,726
6. Step 6: Final answer
   x = 215,618.02