Finding the Third Proportional to 141,188 and 278,792

Step by Step Solution

1. Step 1: Write the proportion equation
   141,188 : 278,792 = 278,792 : x
2. Step 2: Convert to fraction form
   141,188/278,792 = 278,792/x
3. Step 3: Cross multiply
   141,188x = 278,792 × 278,792
4. Step 4: Simplify right side
   141,188x = 77,724,979,264
5. Step 5: Solve for x
   x = 77,724,979,264/141,188
6. Step 6: Final answer
   x = 550,506.98