Finding the Third Proportional to 9,405,838 and 13,745,826

Step by Step Solution

1. Step 1: Write the proportion equation
   9,405,838 : 13,745,826 = 13,745,826 : x
2. Step 2: Convert to fraction form
   9,405,838/13,745,826 = 13,745,826/x
3. Step 3: Cross multiply
   9,405,838x = 13,745,826 × 13,745,826
4. Step 4: Simplify right side
   9,405,838x = 188,947,732,422,276
5. Step 5: Solve for x
   x = 188,947,732,422,276/9,405,838
6. Step 6: Final answer
   x = 20,088,346.45