Finding the Third Proportional to 70,942 and 148,454

Step by Step Solution

1. Step 1: Write the proportion equation
   70,942 : 148,454 = 148,454 : x
2. Step 2: Convert to fraction form
   70,942/148,454 = 148,454/x
3. Step 3: Cross multiply
   70,942x = 148,454 × 148,454
4. Step 4: Simplify right side
   70,942x = 22,038,590,116
5. Step 5: Solve for x
   x = 22,038,590,116/70,942
6. Step 6: Final answer
   x = 310,656.45