Finding the Third Proportional to 70,849.69 and 153,112.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,849.69 : 153,112.78 = 153,112.78 : x
2. Step 2: Convert to fraction form
   70,849.69/153,112.78 = 153,112.78/x
3. Step 3: Cross multiply
   70,849.69x = 153,112.78 × 153,112.78
4. Step 4: Simplify right side
   70,849.69x = 23,443,523,782.11
5. Step 5: Solve for x
   x = 23,443,523,782.11/70,849.69
6. Step 6: Final answer
   x = 330,891.00