Finding the Third Proportional to 1,120,860 and 1,692,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,860 : 1,692,972 = 1,692,972 : x
2. Step 2: Convert to fraction form
   1,120,860/1,692,972 = 1,692,972/x
3. Step 3: Cross multiply
   1,120,860x = 1,692,972 × 1,692,972
4. Step 4: Simplify right side
   1,120,860x = 2,866,154,192,784
5. Step 5: Solve for x
   x = 2,866,154,192,784/1,120,860
6. Step 6: Final answer
   x = 2,557,102.75