Finding the Third Proportional to 191,288.25 and 281,098.69

Step by Step Solution

1. Step 1: Write the proportion equation
   191,288.25 : 281,098.69 = 281,098.69 : x
2. Step 2: Convert to fraction form
   191,288.25/281,098.69 = 281,098.69/x
3. Step 3: Cross multiply
   191,288.25x = 281,098.69 × 281,098.69
4. Step 4: Simplify right side
   191,288.25x = 79,016,472,114.22
5. Step 5: Solve for x
   x = 79,016,472,114.22/191,288.25
6. Step 6: Final answer
   x = 413,075.41