Finding the Third Proportional to 35,658.19 and 49,849.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,658.19 : 49,849.69 = 49,849.69 : x
2. Step 2: Convert to fraction form
   35,658.19/49,849.69 = 49,849.69/x
3. Step 3: Cross multiply
   35,658.19x = 49,849.69 × 49,849.69
4. Step 4: Simplify right side
   35,658.19x = 2,484,991,343.85
5. Step 5: Solve for x
   x = 2,484,991,343.85/35,658.19
6. Step 6: Final answer
   x = 69,689.22