Finding the Third Proportional to 418,536 and 904,140

Step by Step Solution

1. Step 1: Write the proportion equation
   418,536 : 904,140 = 904,140 : x
2. Step 2: Convert to fraction form
   418,536/904,140 = 904,140/x
3. Step 3: Cross multiply
   418,536x = 904,140 × 904,140
4. Step 4: Simplify right side
   418,536x = 817,469,139,600
5. Step 5: Solve for x
   x = 817,469,139,600/418,536
6. Step 6: Final answer
   x = 1,953,163.26