Finding the Third Proportional to 4,073,980 and 8,961,488

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073,980 : 8,961,488 = 8,961,488 : x
2. Step 2: Convert to fraction form
   4,073,980/8,961,488 = 8,961,488/x
3. Step 3: Cross multiply
   4,073,980x = 8,961,488 × 8,961,488
4. Step 4: Simplify right side
   4,073,980x = 80,308,267,174,144
5. Step 5: Solve for x
   x = 80,308,267,174,144/4,073,980
6. Step 6: Final answer
   x = 19,712,484.39