Finding the Third Proportional to 90,410 and 133,772.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,410 : 133,772.25 = 133,772.25 : x
2. Step 2: Convert to fraction form
   90,410/133,772.25 = 133,772.25/x
3. Step 3: Cross multiply
   90,410x = 133,772.25 × 133,772.25
4. Step 4: Simplify right side
   90,410x = 17,895,014,870.06
5. Step 5: Solve for x
   x = 17,895,014,870.06/90,410
6. Step 6: Final answer
   x = 197,931.81