Finding the Third Proportional to 74,778.56 and 160,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   74,778.56 : 160,066.88 = 160,066.88 : x
2. Step 2: Convert to fraction form
   74,778.56/160,066.88 = 160,066.88/x
3. Step 3: Cross multiply
   74,778.56x = 160,066.88 × 160,066.88
4. Step 4: Simplify right side
   74,778.56x = 25,621,404,472.27
5. Step 5: Solve for x
   x = 25,621,404,472.27/74,778.56
6. Step 6: Final answer
   x = 342,630.34