Finding the Third Proportional to 64,273.50 and 133,407

Step by Step Solution

1. Step 1: Write the proportion equation
   64,273.50 : 133,407 = 133,407 : x
2. Step 2: Convert to fraction form
   64,273.50/133,407 = 133,407/x
3. Step 3: Cross multiply
   64,273.50x = 133,407 × 133,407
4. Step 4: Simplify right side
   64,273.50x = 17,797,427,649
5. Step 5: Solve for x
   x = 17,797,427,649/64,273.50
6. Step 6: Final answer
   x = 276,901.49