Finding the Third Proportional to 787,705.50 and 1,687,494

Step by Step Solution

1. Step 1: Write the proportion equation
   787,705.50 : 1,687,494 = 1,687,494 : x
2. Step 2: Convert to fraction form
   787,705.50/1,687,494 = 1,687,494/x
3. Step 3: Cross multiply
   787,705.50x = 1,687,494 × 1,687,494
4. Step 4: Simplify right side
   787,705.50x = 2,847,636,000,036
5. Step 5: Solve for x
   x = 2,847,636,000,036/787,705.50
6. Step 6: Final answer
   x = 3,615,102.34