Finding the Third Proportional to 90,092 and 208,787

Step by Step Solution

1. Step 1: Write the proportion equation
   90,092 : 208,787 = 208,787 : x
2. Step 2: Convert to fraction form
   90,092/208,787 = 208,787/x
3. Step 3: Cross multiply
   90,092x = 208,787 × 208,787
4. Step 4: Simplify right side
   90,092x = 43,592,011,369
5. Step 5: Solve for x
   x = 43,592,011,369/90,092
6. Step 6: Final answer
   x = 483,861.07