Finding the Third Proportional to 140,360 and 215,746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,360 : 215,746.25 = 215,746.25 : x
2. Step 2: Convert to fraction form
   140,360/215,746.25 = 215,746.25/x
3. Step 3: Cross multiply
   140,360x = 215,746.25 × 215,746.25
4. Step 4: Simplify right side
   140,360x = 46,546,444,389.06
5. Step 5: Solve for x
   x = 46,546,444,389.06/140,360
6. Step 6: Final answer
   x = 331,621.86