Finding the Third Proportional to 4,075,848 and 8,637,216

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075,848 : 8,637,216 = 8,637,216 : x
2. Step 2: Convert to fraction form
   4,075,848/8,637,216 = 8,637,216/x
3. Step 3: Cross multiply
   4,075,848x = 8,637,216 × 8,637,216
4. Step 4: Simplify right side
   4,075,848x = 74,601,500,230,656
5. Step 5: Solve for x
   x = 74,601,500,230,656/4,075,848
6. Step 6: Final answer
   x = 18,303,307.74