Finding the Third Proportional to 19,994,722,872 and 42,998,582,787

Step by Step Solution

1. Step 1: Write the proportion equation
   19,994,722,872 : 42,998,582,787 = 42,998,582,787 : x
2. Step 2: Convert to fraction form
   19,994,722,872/42,998,582,787 = 42,998,582,787/x
3. Step 3: Cross multiply
   19,994,722,872x = 42,998,582,787 × 42,998,582,787
4. Step 4: Simplify right side
   19,994,722,872x = 1,848,878,121,690,492,567,552
5. Step 5: Solve for x
   x = 1,848,878,121,690,492,567,552/19,994,722,872
6. Step 6: Final answer
   x = 92,468,304,438.45