Finding the Third Proportional to 569,088 and 1,221,120

Step by Step Solution

1. Step 1: Write the proportion equation
   569,088 : 1,221,120 = 1,221,120 : x
2. Step 2: Convert to fraction form
   569,088/1,221,120 = 1,221,120/x
3. Step 3: Cross multiply
   569,088x = 1,221,120 × 1,221,120
4. Step 4: Simplify right side
   569,088x = 1,491,134,054,400
5. Step 5: Solve for x
   x = 1,491,134,054,400/569,088
6. Step 6: Final answer
   x = 2,620,217.00