Finding the Third Proportional to 79,978,891,848 and 171,994,331,850

Step by Step Solution

1. Step 1: Write the proportion equation
   79,978,891,848 : 171,994,331,850 = 171,994,331,850 : x
2. Step 2: Convert to fraction form
   79,978,891,848/171,994,331,850 = 171,994,331,850/x
3. Step 3: Cross multiply
   79,978,891,848x = 171,994,331,850 × 171,994,331,850
4. Step 4: Simplify right side
   79,978,891,848x = 29,582,050,188,527,925,198,848
5. Step 5: Solve for x
   x = 29,582,050,188,527,925,198,848/79,978,891,848
6. Step 6: Final answer
   x = 369,873,219,108.22