Finding the Third Proportional to 108,087 and 153,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,087 : 153,971.50 = 153,971.50 : x
2. Step 2: Convert to fraction form
   108,087/153,971.50 = 153,971.50/x
3. Step 3: Cross multiply
   108,087x = 153,971.50 × 153,971.50
4. Step 4: Simplify right side
   108,087x = 23,707,222,812.25
5. Step 5: Solve for x
   x = 23,707,222,812.25/108,087
6. Step 6: Final answer
   x = 219,334.64