Finding the Third Proportional to 42,003,069 and 68,586,801

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003,069 : 68,586,801 = 68,586,801 : x
2. Step 2: Convert to fraction form
   42,003,069/68,586,801 = 68,586,801/x
3. Step 3: Cross multiply
   42,003,069x = 68,586,801 × 68,586,801
4. Step 4: Simplify right side
   42,003,069x = 4,704,149,271,413,601
5. Step 5: Solve for x
   x = 4,704,149,271,413,601/42,003,069
6. Step 6: Final answer
   x = 111,995,370.42