Finding the Third Proportional to 1,997,430 and 4,367,607

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,430 : 4,367,607 = 4,367,607 : x
2. Step 2: Convert to fraction form
   1,997,430/4,367,607 = 4,367,607/x
3. Step 3: Cross multiply
   1,997,430x = 4,367,607 × 4,367,607
4. Step 4: Simplify right side
   1,997,430x = 19,075,990,906,449
5. Step 5: Solve for x
   x = 19,075,990,906,449/1,997,430
6. Step 6: Final answer
   x = 9,550,267.55