Finding the Third Proportional to 42,318 and 100,261

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318 : 100,261 = 100,261 : x
2. Step 2: Convert to fraction form
   42,318/100,261 = 100,261/x
3. Step 3: Cross multiply
   42,318x = 100,261 × 100,261
4. Step 4: Simplify right side
   42,318x = 10,052,268,121
5. Step 5: Solve for x
   x = 10,052,268,121/42,318
6. Step 6: Final answer
   x = 237,541.19