Finding the Third Proportional to 1,091,620 and 1,684,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,620 : 1,684,086 = 1,684,086 : x
2. Step 2: Convert to fraction form
   1,091,620/1,684,086 = 1,684,086/x
3. Step 3: Cross multiply
   1,091,620x = 1,684,086 × 1,684,086
4. Step 4: Simplify right side
   1,091,620x = 2,836,145,655,396
5. Step 5: Solve for x
   x = 2,836,145,655,396/1,091,620
6. Step 6: Final answer
   x = 2,598,107.08