Finding the Third Proportional to 1,536,840 and 3,310,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,840 : 3,310,416 = 3,310,416 : x
2. Step 2: Convert to fraction form
   1,536,840/3,310,416 = 3,310,416/x
3. Step 3: Cross multiply
   1,536,840x = 3,310,416 × 3,310,416
4. Step 4: Simplify right side
   1,536,840x = 10,958,854,093,056
5. Step 5: Solve for x
   x = 10,958,854,093,056/1,536,840
6. Step 6: Final answer
   x = 7,130,770.99