Finding the Third Proportional to 4,744,860 and 9,826,178

Step by Step Solution

1. Step 1: Write the proportion equation
   4,744,860 : 9,826,178 = 9,826,178 : x
2. Step 2: Convert to fraction form
   4,744,860/9,826,178 = 9,826,178/x
3. Step 3: Cross multiply
   4,744,860x = 9,826,178 × 9,826,178
4. Step 4: Simplify right side
   4,744,860x = 96,553,774,087,684
5. Step 5: Solve for x
   x = 96,553,774,087,684/4,744,860
6. Step 6: Final answer
   x = 20,349,130.24