Finding the Third Proportional to 887,776 and 1,391,164

Step by Step Solution

1. Step 1: Write the proportion equation
   887,776 : 1,391,164 = 1,391,164 : x
2. Step 2: Convert to fraction form
   887,776/1,391,164 = 1,391,164/x
3. Step 3: Cross multiply
   887,776x = 1,391,164 × 1,391,164
4. Step 4: Simplify right side
   887,776x = 1,935,337,274,896
5. Step 5: Solve for x
   x = 1,935,337,274,896/887,776
6. Step 6: Final answer
   x = 2,179,983.77