Finding the Third Proportional to 787,441.50 and 1,686,411

Step by Step Solution

1. Step 1: Write the proportion equation
   787,441.50 : 1,686,411 = 1,686,411 : x
2. Step 2: Convert to fraction form
   787,441.50/1,686,411 = 1,686,411/x
3. Step 3: Cross multiply
   787,441.50x = 1,686,411 × 1,686,411
4. Step 4: Simplify right side
   787,441.50x = 2,843,982,060,921
5. Step 5: Solve for x
   x = 2,843,982,060,921/787,441.50
6. Step 6: Final answer
   x = 3,611,674.09