Finding the Third Proportional to 896,960 and 1,390,272

Step by Step Solution

1. Step 1: Write the proportion equation
   896,960 : 1,390,272 = 1,390,272 : x
2. Step 2: Convert to fraction form
   896,960/1,390,272 = 1,390,272/x
3. Step 3: Cross multiply
   896,960x = 1,390,272 × 1,390,272
4. Step 4: Simplify right side
   896,960x = 1,932,856,233,984
5. Step 5: Solve for x
   x = 1,932,856,233,984/896,960
6. Step 6: Final answer
   x = 2,154,896.80