Finding the Third Proportional to 699,746 and 1,113,978

Step by Step Solution

1. Step 1: Write the proportion equation
   699,746 : 1,113,978 = 1,113,978 : x
2. Step 2: Convert to fraction form
   699,746/1,113,978 = 1,113,978/x
3. Step 3: Cross multiply
   699,746x = 1,113,978 × 1,113,978
4. Step 4: Simplify right side
   699,746x = 1,240,946,984,484
5. Step 5: Solve for x
   x = 1,240,946,984,484/699,746
6. Step 6: Final answer
   x = 1,773,424.91