Finding the Third Proportional to 3,490,855.50 and 7,404,279

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,855.50 : 7,404,279 = 7,404,279 : x
2. Step 2: Convert to fraction form
   3,490,855.50/7,404,279 = 7,404,279/x
3. Step 3: Cross multiply
   3,490,855.50x = 7,404,279 × 7,404,279
4. Step 4: Simplify right side
   3,490,855.50x = 54,823,347,509,841
5. Step 5: Solve for x
   x = 54,823,347,509,841/3,490,855.50
6. Step 6: Final answer
   x = 15,704,845.85