Finding the Third Proportional to 5,605,994 and 8,661,171

Step by Step Solution

1. Step 1: Write the proportion equation
   5,605,994 : 8,661,171 = 8,661,171 : x
2. Step 2: Convert to fraction form
   5,605,994/8,661,171 = 8,661,171/x
3. Step 3: Cross multiply
   5,605,994x = 8,661,171 × 8,661,171
4. Step 4: Simplify right side
   5,605,994x = 75,015,883,091,241
5. Step 5: Solve for x
   x = 75,015,883,091,241/5,605,994
6. Step 6: Final answer
   x = 13,381,370.56