Finding the Third Proportional to 88,908 and 137,574

Step by Step Solution

1. Step 1: Write the proportion equation
   88,908 : 137,574 = 137,574 : x
2. Step 2: Convert to fraction form
   88,908/137,574 = 137,574/x
3. Step 3: Cross multiply
   88,908x = 137,574 × 137,574
4. Step 4: Simplify right side
   88,908x = 18,926,605,476
5. Step 5: Solve for x
   x = 18,926,605,476/88,908
6. Step 6: Final answer
   x = 212,878.54