Finding the Third Proportional to 581,624 and 1,216,224

Step by Step Solution

1. Step 1: Write the proportion equation
   581,624 : 1,216,224 = 1,216,224 : x
2. Step 2: Convert to fraction form
   581,624/1,216,224 = 1,216,224/x
3. Step 3: Cross multiply
   581,624x = 1,216,224 × 1,216,224
4. Step 4: Simplify right side
   581,624x = 1,479,200,818,176
5. Step 5: Solve for x
   x = 1,479,200,818,176/581,624
6. Step 6: Final answer
   x = 2,543,225.21