Finding the Third Proportional to 67,118.63 and 144,746.16

Step by Step Solution

1. Step 1: Write the proportion equation
   67,118.63 : 144,746.16 = 144,746.16 : x
2. Step 2: Convert to fraction form
   67,118.63/144,746.16 = 144,746.16/x
3. Step 3: Cross multiply
   67,118.63x = 144,746.16 × 144,746.16
4. Step 4: Simplify right side
   67,118.63x = 20,951,449,749.15
5. Step 5: Solve for x
   x = 20,951,449,749.15/67,118.63
6. Step 6: Final answer
   x = 312,155.53