Finding the Third Proportional to 42,948 and 66,366

Step by Step Solution

1. Step 1: Write the proportion equation
   42,948 : 66,366 = 66,366 : x
2. Step 2: Convert to fraction form
   42,948/66,366 = 66,366/x
3. Step 3: Cross multiply
   42,948x = 66,366 × 66,366
4. Step 4: Simplify right side
   42,948x = 4,404,445,956
5. Step 5: Solve for x
   x = 4,404,445,956/42,948
6. Step 6: Final answer
   x = 102,552.99