Finding the Third Proportional to 3,571,879.50 and 7,837,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571,879.50 : 7,837,470 = 7,837,470 : x
2. Step 2: Convert to fraction form
   3,571,879.50/7,837,470 = 7,837,470/x
3. Step 3: Cross multiply
   3,571,879.50x = 7,837,470 × 7,837,470
4. Step 4: Simplify right side
   3,571,879.50x = 61,425,936,000,900
5. Step 5: Solve for x
   x = 61,425,936,000,900/3,571,879.50
6. Step 6: Final answer
   x = 17,197,090.78