Finding the Third Proportional to 1,618,375 and 3,489,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,375 : 3,489,166 = 3,489,166 : x
2. Step 2: Convert to fraction form
   1,618,375/3,489,166 = 3,489,166/x
3. Step 3: Cross multiply
   1,618,375x = 3,489,166 × 3,489,166
4. Step 4: Simplify right side
   1,618,375x = 12,174,279,375,556
5. Step 5: Solve for x
   x = 12,174,279,375,556/1,618,375
6. Step 6: Final answer
   x = 7,522,533.02