Finding the Third Proportional to 89,019 and 193,590

Step by Step Solution

1. Step 1: Write the proportion equation
   89,019 : 193,590 = 193,590 : x
2. Step 2: Convert to fraction form
   89,019/193,590 = 193,590/x
3. Step 3: Cross multiply
   89,019x = 193,590 × 193,590
4. Step 4: Simplify right side
   89,019x = 37,477,088,100
5. Step 5: Solve for x
   x = 37,477,088,100/89,019
6. Step 6: Final answer
   x = 421,001.00