Finding the Third Proportional to 70,031.50 and 153,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,031.50 : 153,669.50 = 153,669.50 : x
2. Step 2: Convert to fraction form
   70,031.50/153,669.50 = 153,669.50/x
3. Step 3: Cross multiply
   70,031.50x = 153,669.50 × 153,669.50
4. Step 4: Simplify right side
   70,031.50x = 23,614,315,230.25
5. Step 5: Solve for x
   x = 23,614,315,230.25/70,031.50
6. Step 6: Final answer
   x = 337,195.62