Finding the Third Proportional to 34,454 and 72,148

Step by Step Solution

1. Step 1: Write the proportion equation
   34,454 : 72,148 = 72,148 : x
2. Step 2: Convert to fraction form
   34,454/72,148 = 72,148/x
3. Step 3: Cross multiply
   34,454x = 72,148 × 72,148
4. Step 4: Simplify right side
   34,454x = 5,205,333,904
5. Step 5: Solve for x
   x = 5,205,333,904/34,454
6. Step 6: Final answer
   x = 151,080.68