Finding the Third Proportional to 492,318 and 1,054,620

Step by Step Solution

1. Step 1: Write the proportion equation
   492,318 : 1,054,620 = 1,054,620 : x
2. Step 2: Convert to fraction form
   492,318/1,054,620 = 1,054,620/x
3. Step 3: Cross multiply
   492,318x = 1,054,620 × 1,054,620
4. Step 4: Simplify right side
   492,318x = 1,112,223,344,400
5. Step 5: Solve for x
   x = 1,112,223,344,400/492,318
6. Step 6: Final answer
   x = 2,259,156.37