Finding the Third Proportional to 9,405,830 and 13,745,813

Step by Step Solution

1. Step 1: Write the proportion equation
   9,405,830 : 13,745,813 = 13,745,813 : x
2. Step 2: Convert to fraction form
   9,405,830/13,745,813 = 13,745,813/x
3. Step 3: Cross multiply
   9,405,830x = 13,745,813 × 13,745,813
4. Step 4: Simplify right side
   9,405,830x = 188,947,375,030,969
5. Step 5: Solve for x
   x = 188,947,375,030,969/9,405,830
6. Step 6: Final answer
   x = 20,088,325.54