Finding the Third Proportional to 42,273 and 63,279

Step by Step Solution

1. Step 1: Write the proportion equation
   42,273 : 63,279 = 63,279 : x
2. Step 2: Convert to fraction form
   42,273/63,279 = 63,279/x
3. Step 3: Cross multiply
   42,273x = 63,279 × 63,279
4. Step 4: Simplify right side
   42,273x = 4,004,231,841
5. Step 5: Solve for x
   x = 4,004,231,841/42,273
6. Step 6: Final answer
   x = 94,723.15