Finding the Third Proportional to 1,691,670 and 3,549,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,670 : 3,549,408 = 3,549,408 : x
2. Step 2: Convert to fraction form
   1,691,670/3,549,408 = 3,549,408/x
3. Step 3: Cross multiply
   1,691,670x = 3,549,408 × 3,549,408
4. Step 4: Simplify right side
   1,691,670x = 12,598,297,150,464
5. Step 5: Solve for x
   x = 12,598,297,150,464/1,691,670
6. Step 6: Final answer
   x = 7,447,254.58