Finding the Third Proportional to 67,458 and 148,038

Step by Step Solution

1. Step 1: Write the proportion equation
   67,458 : 148,038 = 148,038 : x
2. Step 2: Convert to fraction form
   67,458/148,038 = 148,038/x
3. Step 3: Cross multiply
   67,458x = 148,038 × 148,038
4. Step 4: Simplify right side
   67,458x = 21,915,249,444
5. Step 5: Solve for x
   x = 21,915,249,444/67,458
6. Step 6: Final answer
   x = 324,872.51