Finding the Third Proportional to 9,405,842 and 13,745,830

Step by Step Solution

1. Step 1: Write the proportion equation
   9,405,842 : 13,745,830 = 13,745,830 : x
2. Step 2: Convert to fraction form
   9,405,842/13,745,830 = 13,745,830/x
3. Step 3: Cross multiply
   9,405,842x = 13,745,830 × 13,745,830
4. Step 4: Simplify right side
   9,405,842x = 188,947,842,388,900
5. Step 5: Solve for x
   x = 188,947,842,388,900/9,405,842
6. Step 6: Final answer
   x = 20,088,349.60