Finding the Third Proportional to 9,205,938.28 and 13,808,907.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,205,938.28 : 13,808,907.56 = 13,808,907.56 : x
2. Step 2: Convert to fraction form
   9,205,938.28/13,808,907.56 = 13,808,907.56/x
3. Step 3: Cross multiply
   9,205,938.28x = 13,808,907.56 × 13,808,907.56
4. Step 4: Simplify right side
   9,205,938.28x = 190,685,928,069,669.69
5. Step 5: Solve for x
   x = 190,685,928,069,669.69/9,205,938.28
6. Step 6: Final answer
   x = 20,713,361.55