Finding the Third Proportional to 4,075,569.42 and 8,789,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075,569.42 : 8,789,570.72 = 8,789,570.72 : x
2. Step 2: Convert to fraction form
   4,075,569.42/8,789,570.72 = 8,789,570.72/x
3. Step 3: Cross multiply
   4,075,569.42x = 8,789,570.72 × 8,789,570.72
4. Step 4: Simplify right side
   4,075,569.42x = 77,256,553,419,907.39
5. Step 5: Solve for x
   x = 77,256,553,419,907.39/4,075,569.42
6. Step 6: Final answer
   x = 18,956,014.59