Finding the Third Proportional to 42,604 and 89,613.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,604 : 89,613.75 = 89,613.75 : x
2. Step 2: Convert to fraction form
   42,604/89,613.75 = 89,613.75/x
3. Step 3: Cross multiply
   42,604x = 89,613.75 × 89,613.75
4. Step 4: Simplify right side
   42,604x = 8,030,624,189.06
5. Step 5: Solve for x
   x = 8,030,624,189.06/42,604
6. Step 6: Final answer
   x = 188,494.61