Finding the Third Proportional to 721,320 and 1,567,056

Step by Step Solution

1. Step 1: Write the proportion equation
   721,320 : 1,567,056 = 1,567,056 : x
2. Step 2: Convert to fraction form
   721,320/1,567,056 = 1,567,056/x
3. Step 3: Cross multiply
   721,320x = 1,567,056 × 1,567,056
4. Step 4: Simplify right side
   721,320x = 2,455,664,507,136
5. Step 5: Solve for x
   x = 2,455,664,507,136/721,320
6. Step 6: Final answer
   x = 3,404,403.74