Finding the Third Proportional to 3,559,297 and 8,398,499

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,297 : 8,398,499 = 8,398,499 : x
2. Step 2: Convert to fraction form
   3,559,297/8,398,499 = 8,398,499/x
3. Step 3: Cross multiply
   3,559,297x = 8,398,499 × 8,398,499
4. Step 4: Simplify right side
   3,559,297x = 70,534,785,453,001
5. Step 5: Solve for x
   x = 70,534,785,453,001/3,559,297
6. Step 6: Final answer
   x = 19,817,055.29