Finding the Third Proportional to 132,729 and 287,595

Step by Step Solution

1. Step 1: Write the proportion equation
   132,729 : 287,595 = 287,595 : x
2. Step 2: Convert to fraction form
   132,729/287,595 = 287,595/x
3. Step 3: Cross multiply
   132,729x = 287,595 × 287,595
4. Step 4: Simplify right side
   132,729x = 82,710,884,025
5. Step 5: Solve for x
   x = 82,710,884,025/132,729
6. Step 6: Final answer
   x = 623,156.09