Finding the Third Proportional to 16,623,171,461 and 25,761,338,918

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623,171,461 : 25,761,338,918 = 25,761,338,918 : x
2. Step 2: Convert to fraction form
   16,623,171,461/25,761,338,918 = 25,761,338,918/x
3. Step 3: Cross multiply
   16,623,171,461x = 25,761,338,918 × 25,761,338,918
4. Step 4: Simplify right side
   16,623,171,461x = 663,646,582,848,061,440,000
5. Step 5: Solve for x
   x = 663,646,582,848,061,440,000/16,623,171,461
6. Step 6: Final answer
   x = 39,922,982,470.89