Finding the Third Proportional to 191,290 and 281,102

Step by Step Solution

1. Step 1: Write the proportion equation
   191,290 : 281,102 = 281,102 : x
2. Step 2: Convert to fraction form
   191,290/281,102 = 281,102/x
3. Step 3: Cross multiply
   191,290x = 281,102 × 281,102
4. Step 4: Simplify right side
   191,290x = 79,018,334,404
5. Step 5: Solve for x
   x = 79,018,334,404/191,290
6. Step 6: Final answer
   x = 413,081.37