Finding the Third Proportional to 67,322 and 145,788

Step by Step Solution

1. Step 1: Write the proportion equation
   67,322 : 145,788 = 145,788 : x
2. Step 2: Convert to fraction form
   67,322/145,788 = 145,788/x
3. Step 3: Cross multiply
   67,322x = 145,788 × 145,788
4. Step 4: Simplify right side
   67,322x = 21,254,140,944
5. Step 5: Solve for x
   x = 21,254,140,944/67,322
6. Step 6: Final answer
   x = 315,708.70