Finding the Third Proportional to 70,992 and 148,536

Step by Step Solution

1. Step 1: Write the proportion equation
   70,992 : 148,536 = 148,536 : x
2. Step 2: Convert to fraction form
   70,992/148,536 = 148,536/x
3. Step 3: Cross multiply
   70,992x = 148,536 × 148,536
4. Step 4: Simplify right side
   70,992x = 22,062,943,296
5. Step 5: Solve for x
   x = 22,062,943,296/70,992
6. Step 6: Final answer
   x = 310,780.70