Finding the Third Proportional to 65,422.69 and 143,101.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,422.69 : 143,101.69 = 143,101.69 : x
2. Step 2: Convert to fraction form
   65,422.69/143,101.69 = 143,101.69/x
3. Step 3: Cross multiply
   65,422.69x = 143,101.69 × 143,101.69
4. Step 4: Simplify right side
   65,422.69x = 20,478,092,965.35
5. Step 5: Solve for x
   x = 20,478,092,965.35/65,422.69
6. Step 6: Final answer
   x = 313,012.10