Finding the Third Proportional to 696,686 and 1,076,740

Step by Step Solution

1. Step 1: Write the proportion equation
   696,686 : 1,076,740 = 1,076,740 : x
2. Step 2: Convert to fraction form
   696,686/1,076,740 = 1,076,740/x
3. Step 3: Cross multiply
   696,686x = 1,076,740 × 1,076,740
4. Step 4: Simplify right side
   696,686x = 1,159,369,027,600
5. Step 5: Solve for x
   x = 1,159,369,027,600/696,686
6. Step 6: Final answer
   x = 1,664,119.89