Finding the Third Proportional to 90,456 and 133,069

Step by Step Solution

1. Step 1: Write the proportion equation
   90,456 : 133,069 = 133,069 : x
2. Step 2: Convert to fraction form
   90,456/133,069 = 133,069/x
3. Step 3: Cross multiply
   90,456x = 133,069 × 133,069
4. Step 4: Simplify right side
   90,456x = 17,707,358,761
5. Step 5: Solve for x
   x = 17,707,358,761/90,456
6. Step 6: Final answer
   x = 195,756.60