Finding the Third Proportional to 699,738 and 1,113,963

Step by Step Solution

1. Step 1: Write the proportion equation
   699,738 : 1,113,963 = 1,113,963 : x
2. Step 2: Convert to fraction form
   699,738/1,113,963 = 1,113,963/x
3. Step 3: Cross multiply
   699,738x = 1,113,963 × 1,113,963
4. Step 4: Simplify right side
   699,738x = 1,240,913,565,369
5. Step 5: Solve for x
   x = 1,240,913,565,369/699,738
6. Step 6: Final answer
   x = 1,773,397.42