Finding the Third Proportional to 771,286 and 1,580,156

Step by Step Solution

1. Step 1: Write the proportion equation
   771,286 : 1,580,156 = 1,580,156 : x
2. Step 2: Convert to fraction form
   771,286/1,580,156 = 1,580,156/x
3. Step 3: Cross multiply
   771,286x = 1,580,156 × 1,580,156
4. Step 4: Simplify right side
   771,286x = 2,496,892,984,336
5. Step 5: Solve for x
   x = 2,496,892,984,336/771,286
6. Step 6: Final answer
   x = 3,237,311.43