Finding the Third Proportional to 1,835,160 and 4,318,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,160 : 4,318,272 = 4,318,272 : x
2. Step 2: Convert to fraction form
   1,835,160/4,318,272 = 4,318,272/x
3. Step 3: Cross multiply
   1,835,160x = 4,318,272 × 4,318,272
4. Step 4: Simplify right side
   1,835,160x = 18,647,473,065,984
5. Step 5: Solve for x
   x = 18,647,473,065,984/1,835,160
6. Step 6: Final answer
   x = 10,161,224.67