Finding the Third Proportional to 90,072 and 134,784

Step by Step Solution

1. Step 1: Write the proportion equation
   90,072 : 134,784 = 134,784 : x
2. Step 2: Convert to fraction form
   90,072/134,784 = 134,784/x
3. Step 3: Cross multiply
   90,072x = 134,784 × 134,784
4. Step 4: Simplify right side
   90,072x = 18,166,726,656
5. Step 5: Solve for x
   x = 18,166,726,656/90,072
6. Step 6: Final answer
   x = 201,691.17