Finding the Third Proportional to 721,008 and 1,061,856

Step by Step Solution

1. Step 1: Write the proportion equation
   721,008 : 1,061,856 = 1,061,856 : x
2. Step 2: Convert to fraction form
   721,008/1,061,856 = 1,061,856/x
3. Step 3: Cross multiply
   721,008x = 1,061,856 × 1,061,856
4. Step 4: Simplify right side
   721,008x = 1,127,538,164,736
5. Step 5: Solve for x
   x = 1,127,538,164,736/721,008
6. Step 6: Final answer
   x = 1,563,835.86