Finding the Third Proportional to 70,773.75 and 148,609.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,773.75 : 148,609.69 = 148,609.69 : x
2. Step 2: Convert to fraction form
   70,773.75/148,609.69 = 148,609.69/x
3. Step 3: Cross multiply
   70,773.75x = 148,609.69 × 148,609.69
4. Step 4: Simplify right side
   70,773.75x = 22,084,839,218.85
5. Step 5: Solve for x
   x = 22,084,839,218.85/70,773.75
6. Step 6: Final answer
   x = 312,048.45