Finding the Third Proportional to 31,849.50 and 69,153

Step by Step Solution

1. Step 1: Write the proportion equation
   31,849.50 : 69,153 = 69,153 : x
2. Step 2: Convert to fraction form
   31,849.50/69,153 = 69,153/x
3. Step 3: Cross multiply
   31,849.50x = 69,153 × 69,153
4. Step 4: Simplify right side
   31,849.50x = 4,782,137,409
5. Step 5: Solve for x
   x = 4,782,137,409/31,849.50
6. Step 6: Final answer
   x = 150,147.96