Finding the Third Proportional to 99,108 and 141,280.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,108 : 141,280.88 = 141,280.88 : x
2. Step 2: Convert to fraction form
   99,108/141,280.88 = 141,280.88/x
3. Step 3: Cross multiply
   99,108x = 141,280.88 × 141,280.88
4. Step 4: Simplify right side
   99,108x = 19,960,285,640.77
5. Step 5: Solve for x
   x = 19,960,285,640.77/99,108
6. Step 6: Final answer
   x = 201,399.34