Finding the Third Proportional to 131,145.75 and 280,897.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,145.75 : 280,897.88 = 280,897.88 : x
2. Step 2: Convert to fraction form
   131,145.75/280,897.88 = 280,897.88/x
3. Step 3: Cross multiply
   131,145.75x = 280,897.88 × 280,897.88
4. Step 4: Simplify right side
   131,145.75x = 78,903,616,179.52
5. Step 5: Solve for x
   x = 78,903,616,179.52/131,145.75
6. Step 6: Final answer
   x = 601,648.29