Finding the Third Proportional to 4,197,160 and 9,036,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,197,160 : 9,036,456 = 9,036,456 : x
2. Step 2: Convert to fraction form
   4,197,160/9,036,456 = 9,036,456/x
3. Step 3: Cross multiply
   4,197,160x = 9,036,456 × 9,036,456
4. Step 4: Simplify right side
   4,197,160x = 81,657,537,039,936
5. Step 5: Solve for x
   x = 81,657,537,039,936/4,197,160
6. Step 6: Final answer
   x = 19,455,426.30