Finding the Third Proportional to 16,245,661 and 35,679,502

Step by Step Solution

1. Step 1: Write the proportion equation
   16,245,661 : 35,679,502 = 35,679,502 : x
2. Step 2: Convert to fraction form
   16,245,661/35,679,502 = 35,679,502/x
3. Step 3: Cross multiply
   16,245,661x = 35,679,502 × 35,679,502
4. Step 4: Simplify right side
   16,245,661x = 1,273,026,862,968,004
5. Step 5: Solve for x
   x = 1,273,026,862,968,004/16,245,661
6. Step 6: Final answer
   x = 78,361,038.25