Finding the Third Proportional to 673,431 and 1,010,116

Step by Step Solution

1. Step 1: Write the proportion equation
   673,431 : 1,010,116 = 1,010,116 : x
2. Step 2: Convert to fraction form
   673,431/1,010,116 = 1,010,116/x
3. Step 3: Cross multiply
   673,431x = 1,010,116 × 1,010,116
4. Step 4: Simplify right side
   673,431x = 1,020,334,333,456
5. Step 5: Solve for x
   x = 1,020,334,333,456/673,431
6. Step 6: Final answer
   x = 1,515,128.25