Finding the Third Proportional to 20,051,502 and 42,388,860

Step by Step Solution

1. Step 1: Write the proportion equation
   20,051,502 : 42,388,860 = 42,388,860 : x
2. Step 2: Convert to fraction form
   20,051,502/42,388,860 = 42,388,860/x
3. Step 3: Cross multiply
   20,051,502x = 42,388,860 × 42,388,860
4. Step 4: Simplify right side
   20,051,502x = 1,796,815,452,099,600
5. Step 5: Solve for x
   x = 1,796,815,452,099,600/20,051,502
6. Step 6: Final answer
   x = 89,610,017.85