Finding the Third Proportional to 90,557 and 133,060

Step by Step Solution

1. Step 1: Write the proportion equation
   90,557 : 133,060 = 133,060 : x
2. Step 2: Convert to fraction form
   90,557/133,060 = 133,060/x
3. Step 3: Cross multiply
   90,557x = 133,060 × 133,060
4. Step 4: Simplify right side
   90,557x = 17,704,963,600
5. Step 5: Solve for x
   x = 17,704,963,600/90,557
6. Step 6: Final answer
   x = 195,511.82