Finding the Third Proportional to 65,848.50 and 142,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,848.50 : 142,228.50 = 142,228.50 : x
2. Step 2: Convert to fraction form
   65,848.50/142,228.50 = 142,228.50/x
3. Step 3: Cross multiply
   65,848.50x = 142,228.50 × 142,228.50
4. Step 4: Simplify right side
   65,848.50x = 20,228,946,212.25
5. Step 5: Solve for x
   x = 20,228,946,212.25/65,848.50
6. Step 6: Final answer
   x = 307,204.36