Finding the Third Proportional to 4,140,579 and 9,010,158

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,579 : 9,010,158 = 9,010,158 : x
2. Step 2: Convert to fraction form
   4,140,579/9,010,158 = 9,010,158/x
3. Step 3: Cross multiply
   4,140,579x = 9,010,158 × 9,010,158
4. Step 4: Simplify right side
   4,140,579x = 81,182,947,184,964
5. Step 5: Solve for x
   x = 81,182,947,184,964/4,140,579
6. Step 6: Final answer
   x = 19,606,665.44