Finding the Third Proportional to 1,069,087 and 2,155,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,087 : 2,155,670 = 2,155,670 : x
2. Step 2: Convert to fraction form
   1,069,087/2,155,670 = 2,155,670/x
3. Step 3: Cross multiply
   1,069,087x = 2,155,670 × 2,155,670
4. Step 4: Simplify right side
   1,069,087x = 4,646,913,148,900
5. Step 5: Solve for x
   x = 4,646,913,148,900/1,069,087
6. Step 6: Final answer
   x = 4,346,618.33