Finding the Third Proportional to 42,780 and 103,062

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780 : 103,062 = 103,062 : x
2. Step 2: Convert to fraction form
   42,780/103,062 = 103,062/x
3. Step 3: Cross multiply
   42,780x = 103,062 × 103,062
4. Step 4: Simplify right side
   42,780x = 10,621,775,844
5. Step 5: Solve for x
   x = 10,621,775,844/42,780
6. Step 6: Final answer
   x = 248,288.36