Finding the Third Proportional to 9,151,636 and 13,821,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151,636 : 13,821,243.25 = 13,821,243.25 : x
2. Step 2: Convert to fraction form
   9,151,636/13,821,243.25 = 13,821,243.25/x
3. Step 3: Cross multiply
   9,151,636x = 13,821,243.25 × 13,821,243.25
4. Step 4: Simplify right side
   9,151,636x = 191,026,764,975,670.56
5. Step 5: Solve for x
   x = 191,026,764,975,670.56/9,151,636
6. Step 6: Final answer
   x = 20,873,509.94