Finding the Third Proportional to 9,047,866.50 and 19,721,493

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047,866.50 : 19,721,493 = 19,721,493 : x
2. Step 2: Convert to fraction form
   9,047,866.50/19,721,493 = 19,721,493/x
3. Step 3: Cross multiply
   9,047,866.50x = 19,721,493 × 19,721,493
4. Step 4: Simplify right side
   9,047,866.50x = 388,937,286,149,049
5. Step 5: Solve for x
   x = 388,937,286,149,049/9,047,866.50
6. Step 6: Final answer
   x = 42,986,629.63