Finding the Third Proportional to 4,075,570 and 8,789,572

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075,570 : 8,789,572 = 8,789,572 : x
2. Step 2: Convert to fraction form
   4,075,570/8,789,572 = 8,789,572/x
3. Step 3: Cross multiply
   4,075,570x = 8,789,572 × 8,789,572
4. Step 4: Simplify right side
   4,075,570x = 77,256,575,943,184
5. Step 5: Solve for x
   x = 77,256,575,943,184/4,075,570
6. Step 6: Final answer
   x = 18,956,017.43