Finding the Third Proportional to 492,172 and 1,069,720

Step by Step Solution

1. Step 1: Write the proportion equation
   492,172 : 1,069,720 = 1,069,720 : x
2. Step 2: Convert to fraction form
   492,172/1,069,720 = 1,069,720/x
3. Step 3: Cross multiply
   492,172x = 1,069,720 × 1,069,720
4. Step 4: Simplify right side
   492,172x = 1,144,300,878,400
5. Step 5: Solve for x
   x = 1,144,300,878,400/492,172
6. Step 6: Final answer
   x = 2,325,001.99