Finding the Third Proportional to 721,316 and 1,567,048

Step by Step Solution

1. Step 1: Write the proportion equation
   721,316 : 1,567,048 = 1,567,048 : x
2. Step 2: Convert to fraction form
   721,316/1,567,048 = 1,567,048/x
3. Step 3: Cross multiply
   721,316x = 1,567,048 × 1,567,048
4. Step 4: Simplify right side
   721,316x = 2,455,639,434,304
5. Step 5: Solve for x
   x = 2,455,639,434,304/721,316
6. Step 6: Final answer
   x = 3,404,387.86