Finding the Third Proportional to 853,506 and 1,860,612

Step by Step Solution

1. Step 1: Write the proportion equation
   853,506 : 1,860,612 = 1,860,612 : x
2. Step 2: Convert to fraction form
   853,506/1,860,612 = 1,860,612/x
3. Step 3: Cross multiply
   853,506x = 1,860,612 × 1,860,612
4. Step 4: Simplify right side
   853,506x = 3,461,877,014,544
5. Step 5: Solve for x
   x = 3,461,877,014,544/853,506
6. Step 6: Final answer
   x = 4,056,066.41