Finding the Third Proportional to 34,988 and 74,648

Step by Step Solution

1. Step 1: Write the proportion equation
   34,988 : 74,648 = 74,648 : x
2. Step 2: Convert to fraction form
   34,988/74,648 = 74,648/x
3. Step 3: Cross multiply
   34,988x = 74,648 × 74,648
4. Step 4: Simplify right side
   34,988x = 5,572,323,904
5. Step 5: Solve for x
   x = 5,572,323,904/34,988
6. Step 6: Final answer
   x = 159,263.86