Finding the Third Proportional to 3,734,139 and 8,191,158

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734,139 : 8,191,158 = 8,191,158 : x
2. Step 2: Convert to fraction form
   3,734,139/8,191,158 = 8,191,158/x
3. Step 3: Cross multiply
   3,734,139x = 8,191,158 × 8,191,158
4. Step 4: Simplify right side
   3,734,139x = 67,095,069,380,964
5. Step 5: Solve for x
   x = 67,095,069,380,964/3,734,139
6. Step 6: Final answer
   x = 17,968,016.02