Finding the Third Proportional to 71,048 and 148,900

Step by Step Solution

1. Step 1: Write the proportion equation
   71,048 : 148,900 = 148,900 : x
2. Step 2: Convert to fraction form
   71,048/148,900 = 148,900/x
3. Step 3: Cross multiply
   71,048x = 148,900 × 148,900
4. Step 4: Simplify right side
   71,048x = 22,171,210,000
5. Step 5: Solve for x
   x = 22,171,210,000/71,048
6. Step 6: Final answer
   x = 312,059.59