Finding the Third Proportional to 16,419,403,423 and 35,848,489,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419,403,423 : 35,848,489,988 = 35,848,489,988 : x
2. Step 2: Convert to fraction form
   16,419,403,423/35,848,489,988 = 35,848,489,988/x
3. Step 3: Cross multiply
   16,419,403,423x = 35,848,489,988 × 35,848,489,988
4. Step 4: Simplify right side
   16,419,403,423x = 1,285,114,234,419,736,215,552
5. Step 5: Solve for x
   x = 1,285,114,234,419,736,215,552/16,419,403,423
6. Step 6: Final answer
   x = 78,268,022,370.38