Finding the Third Proportional to 140,100.75 and 290,170.69

Step by Step Solution

1. Step 1: Write the proportion equation
   140,100.75 : 290,170.69 = 290,170.69 : x
2. Step 2: Convert to fraction form
   140,100.75/290,170.69 = 290,170.69/x
3. Step 3: Cross multiply
   140,100.75x = 290,170.69 × 290,170.69
4. Step 4: Simplify right side
   140,100.75x = 84,199,027,884.22
5. Step 5: Solve for x
   x = 84,199,027,884.22/140,100.75
6. Step 6: Final answer
   x = 600,989.13