Finding the Third Proportional to 815,551.88 and 1,919,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   815,551.88 : 1,919,019.94 = 1,919,019.94 : x
2. Step 2: Convert to fraction form
   815,551.88/1,919,019.94 = 1,919,019.94/x
3. Step 3: Cross multiply
   815,551.88x = 1,919,019.94 × 1,919,019.94
4. Step 4: Simplify right side
   815,551.88x = 3,682,637,520,522.50
5. Step 5: Solve for x
   x = 3,682,637,520,522.50/815,551.88
6. Step 6: Final answer
   x = 4,515,515.98