Finding the Third Proportional to 70,499 and 153,958

Step by Step Solution

1. Step 1: Write the proportion equation
   70,499 : 153,958 = 153,958 : x
2. Step 2: Convert to fraction form
   70,499/153,958 = 153,958/x
3. Step 3: Cross multiply
   70,499x = 153,958 × 153,958
4. Step 4: Simplify right side
   70,499x = 23,703,065,764
5. Step 5: Solve for x
   x = 23,703,065,764/70,499
6. Step 6: Final answer
   x = 336,218.47