Finding the Third Proportional to 721,348 and 1,567,112

Step by Step Solution

1. Step 1: Write the proportion equation
   721,348 : 1,567,112 = 1,567,112 : x
2. Step 2: Convert to fraction form
   721,348/1,567,112 = 1,567,112/x
3. Step 3: Cross multiply
   721,348x = 1,567,112 × 1,567,112
4. Step 4: Simplify right side
   721,348x = 2,455,840,020,544
5. Step 5: Solve for x
   x = 2,455,840,020,544/721,348
6. Step 6: Final answer
   x = 3,404,514.91