Finding the Third Proportional to 29,649.75 and 65,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,649.75 : 65,131.50 = 65,131.50 : x
2. Step 2: Convert to fraction form
   29,649.75/65,131.50 = 65,131.50/x
3. Step 3: Cross multiply
   29,649.75x = 65,131.50 × 65,131.50
4. Step 4: Simplify right side
   29,649.75x = 4,242,112,292.25
5. Step 5: Solve for x
   x = 4,242,112,292.25/29,649.75
6. Step 6: Final answer
   x = 143,074.13