Finding the Third Proportional to 66,894 and 89,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,894 : 89,224.50 = 89,224.50 : x
2. Step 2: Convert to fraction form
   66,894/89,224.50 = 89,224.50/x
3. Step 3: Cross multiply
   66,894x = 89,224.50 × 89,224.50
4. Step 4: Simplify right side
   66,894x = 7,961,011,400.25
5. Step 5: Solve for x
   x = 7,961,011,400.25/66,894
6. Step 6: Final answer
   x = 119,009.35