Finding the Third Proportional to 89,815 and 149,684

Step by Step Solution

1. Step 1: Write the proportion equation
   89,815 : 149,684 = 149,684 : x
2. Step 2: Convert to fraction form
   89,815/149,684 = 149,684/x
3. Step 3: Cross multiply
   89,815x = 149,684 × 149,684
4. Step 4: Simplify right side
   89,815x = 22,405,299,856
5. Step 5: Solve for x
   x = 22,405,299,856/89,815
6. Step 6: Final answer
   x = 249,460.56