Finding the Third Proportional to 4,309,686 and 6,427,156

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,686 : 6,427,156 = 6,427,156 : x
2. Step 2: Convert to fraction form
   4,309,686/6,427,156 = 6,427,156/x
3. Step 3: Cross multiply
   4,309,686x = 6,427,156 × 6,427,156
4. Step 4: Simplify right side
   4,309,686x = 41,308,334,248,336
5. Step 5: Solve for x
   x = 41,308,334,248,336/4,309,686
6. Step 6: Final answer
   x = 9,584,998.59