Finding the Third Proportional to 67,861 and 89,237

Step by Step Solution

1. Step 1: Write the proportion equation
   67,861 : 89,237 = 89,237 : x
2. Step 2: Convert to fraction form
   67,861/89,237 = 89,237/x
3. Step 3: Cross multiply
   67,861x = 89,237 × 89,237
4. Step 4: Simplify right side
   67,861x = 7,963,242,169
5. Step 5: Solve for x
   x = 7,963,242,169/67,861
6. Step 6: Final answer
   x = 117,346.37