Finding the Third Proportional to 699,312 and 1,061,856

Step by Step Solution

1. Step 1: Write the proportion equation
   699,312 : 1,061,856 = 1,061,856 : x
2. Step 2: Convert to fraction form
   699,312/1,061,856 = 1,061,856/x
3. Step 3: Cross multiply
   699,312x = 1,061,856 × 1,061,856
4. Step 4: Simplify right side
   699,312x = 1,127,538,164,736
5. Step 5: Solve for x
   x = 1,127,538,164,736/699,312
6. Step 6: Final answer
   x = 1,612,353.52