Finding the Third Proportional to 696,978 and 1,511,972

Step by Step Solution

1. Step 1: Write the proportion equation
   696,978 : 1,511,972 = 1,511,972 : x
2. Step 2: Convert to fraction form
   696,978/1,511,972 = 1,511,972/x
3. Step 3: Cross multiply
   696,978x = 1,511,972 × 1,511,972
4. Step 4: Simplify right side
   696,978x = 2,286,059,328,784
5. Step 5: Solve for x
   x = 2,286,059,328,784/696,978
6. Step 6: Final answer
   x = 3,279,959.09