Finding the Third Proportional to 887,760 and 1,256,160

Step by Step Solution

1. Step 1: Write the proportion equation
   887,760 : 1,256,160 = 1,256,160 : x
2. Step 2: Convert to fraction form
   887,760/1,256,160 = 1,256,160/x
3. Step 3: Cross multiply
   887,760x = 1,256,160 × 1,256,160
4. Step 4: Simplify right side
   887,760x = 1,577,937,945,600
5. Step 5: Solve for x
   x = 1,577,937,945,600/887,760
6. Step 6: Final answer
   x = 1,777,437.53