Finding the Third Proportional to 896,968 and 1,390,288

Step by Step Solution

1. Step 1: Write the proportion equation
   896,968 : 1,390,288 = 1,390,288 : x
2. Step 2: Convert to fraction form
   896,968/1,390,288 = 1,390,288/x
3. Step 3: Cross multiply
   896,968x = 1,390,288 × 1,390,288
4. Step 4: Simplify right side
   896,968x = 1,932,900,722,944
5. Step 5: Solve for x
   x = 1,932,900,722,944/896,968
6. Step 6: Final answer
   x = 2,154,927.18