Finding the Third Proportional to 131,460 and 287,797

Step by Step Solution

1. Step 1: Write the proportion equation
   131,460 : 287,797 = 287,797 : x
2. Step 2: Convert to fraction form
   131,460/287,797 = 287,797/x
3. Step 3: Cross multiply
   131,460x = 287,797 × 287,797
4. Step 4: Simplify right side
   131,460x = 82,827,113,209
5. Step 5: Solve for x
   x = 82,827,113,209/131,460
6. Step 6: Final answer
   x = 630,055.63