Finding the Third Proportional to 1,178,991 and 1,766,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,991 : 1,766,664 = 1,766,664 : x
2. Step 2: Convert to fraction form
   1,178,991/1,766,664 = 1,766,664/x
3. Step 3: Cross multiply
   1,178,991x = 1,766,664 × 1,766,664
4. Step 4: Simplify right side
   1,178,991x = 3,121,101,688,896
5. Step 5: Solve for x
   x = 3,121,101,688,896/1,178,991
6. Step 6: Final answer
   x = 2,647,265.07