Finding the Third Proportional to 498,172 and 793,074

Step by Step Solution

1. Step 1: Write the proportion equation
   498,172 : 793,074 = 793,074 : x
2. Step 2: Convert to fraction form
   498,172/793,074 = 793,074/x
3. Step 3: Cross multiply
   498,172x = 793,074 × 793,074
4. Step 4: Simplify right side
   498,172x = 628,966,369,476
5. Step 5: Solve for x
   x = 628,966,369,476/498,172
6. Step 6: Final answer
   x = 1,262,548.62