Finding the Third Proportional to 3,559,308 and 8,398,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,308 : 8,398,518 = 8,398,518 : x
2. Step 2: Convert to fraction form
   3,559,308/8,398,518 = 8,398,518/x
3. Step 3: Cross multiply
   3,559,308x = 8,398,518 × 8,398,518
4. Step 4: Simplify right side
   3,559,308x = 70,535,104,596,324
5. Step 5: Solve for x
   x = 70,535,104,596,324/3,559,308
6. Step 6: Final answer
   x = 19,817,083.71