Finding the Third Proportional to 70,514 and 148,300

Step by Step Solution

1. Step 1: Write the proportion equation
   70,514 : 148,300 = 148,300 : x
2. Step 2: Convert to fraction form
   70,514/148,300 = 148,300/x
3. Step 3: Cross multiply
   70,514x = 148,300 × 148,300
4. Step 4: Simplify right side
   70,514x = 21,992,890,000
5. Step 5: Solve for x
   x = 21,992,890,000/70,514
6. Step 6: Final answer
   x = 311,893.95