Finding the Third Proportional to 120,339 and 187,092

Step by Step Solution

1. Step 1: Write the proportion equation
   120,339 : 187,092 = 187,092 : x
2. Step 2: Convert to fraction form
   120,339/187,092 = 187,092/x
3. Step 3: Cross multiply
   120,339x = 187,092 × 187,092
4. Step 4: Simplify right side
   120,339x = 35,003,416,464
5. Step 5: Solve for x
   x = 35,003,416,464/120,339
6. Step 6: Final answer
   x = 290,873.42