Finding the Third Proportional to 1,147,236 and 1,775,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,236 : 1,775,478 = 1,775,478 : x
2. Step 2: Convert to fraction form
   1,147,236/1,775,478 = 1,775,478/x
3. Step 3: Cross multiply
   1,147,236x = 1,775,478 × 1,775,478
4. Step 4: Simplify right side
   1,147,236x = 3,152,322,128,484
5. Step 5: Solve for x
   x = 3,152,322,128,484/1,147,236
6. Step 6: Final answer
   x = 2,747,753.84