Finding the Third Proportional to 34,604.72 and 74,359.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,604.72 : 74,359.69 = 74,359.69 : x
2. Step 2: Convert to fraction form
   34,604.72/74,359.69 = 74,359.69/x
3. Step 3: Cross multiply
   34,604.72x = 74,359.69 × 74,359.69
4. Step 4: Simplify right side
   34,604.72x = 5,529,363,125.10
5. Step 5: Solve for x
   x = 5,529,363,125.10/34,604.72
6. Step 6: Final answer
   x = 159,786.39