Finding the Third Proportional to 1,069,085 and 2,155,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,085 : 2,155,666 = 2,155,666 : x
2. Step 2: Convert to fraction form
   1,069,085/2,155,666 = 2,155,666/x
3. Step 3: Cross multiply
   1,069,085x = 2,155,666 × 2,155,666
4. Step 4: Simplify right side
   1,069,085x = 4,646,895,903,556
5. Step 5: Solve for x
   x = 4,646,895,903,556/1,069,085
6. Step 6: Final answer
   x = 4,346,610.33