Finding the Third Proportional to 1,069,081.50 and 2,155,659

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,081.50 : 2,155,659 = 2,155,659 : x
2. Step 2: Convert to fraction form
   1,069,081.50/2,155,659 = 2,155,659/x
3. Step 3: Cross multiply
   1,069,081.50x = 2,155,659 × 2,155,659
4. Step 4: Simplify right side
   1,069,081.50x = 4,646,865,724,281
5. Step 5: Solve for x
   x = 4,646,865,724,281/1,069,081.50
6. Step 6: Final answer
   x = 4,346,596.33