Finding the Third Proportional to 90,260 and 134,870

Step by Step Solution

1. Step 1: Write the proportion equation
   90,260 : 134,870 = 134,870 : x
2. Step 2: Convert to fraction form
   90,260/134,870 = 134,870/x
3. Step 3: Cross multiply
   90,260x = 134,870 × 134,870
4. Step 4: Simplify right side
   90,260x = 18,189,916,900
5. Step 5: Solve for x
   x = 18,189,916,900/90,260
6. Step 6: Final answer
   x = 201,528.00