Finding the Third Proportional to 191,232 and 280,260

Step by Step Solution

1. Step 1: Write the proportion equation
   191,232 : 280,260 = 280,260 : x
2. Step 2: Convert to fraction form
   191,232/280,260 = 280,260/x
3. Step 3: Cross multiply
   191,232x = 280,260 × 280,260
4. Step 4: Simplify right side
   191,232x = 78,545,667,600
5. Step 5: Solve for x
   x = 78,545,667,600/191,232
6. Step 6: Final answer
   x = 410,734.96