Finding the Third Proportional to 686,559 and 1,495,170

Step by Step Solution

1. Step 1: Write the proportion equation
   686,559 : 1,495,170 = 1,495,170 : x
2. Step 2: Convert to fraction form
   686,559/1,495,170 = 1,495,170/x
3. Step 3: Cross multiply
   686,559x = 1,495,170 × 1,495,170
4. Step 4: Simplify right side
   686,559x = 2,235,533,328,900
5. Step 5: Solve for x
   x = 2,235,533,328,900/686,559
6. Step 6: Final answer
   x = 3,256,141.61