Finding the Third Proportional to 131,695 and 279,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,695 : 279,063.50 = 279,063.50 : x
2. Step 2: Convert to fraction form
   131,695/279,063.50 = 279,063.50/x
3. Step 3: Cross multiply
   131,695x = 279,063.50 × 279,063.50
4. Step 4: Simplify right side
   131,695x = 77,876,437,032.25
5. Step 5: Solve for x
   x = 77,876,437,032.25/131,695
6. Step 6: Final answer
   x = 591,339.36