Finding the Third Proportional to 516,330 and 1,118,440

Step by Step Solution

1. Step 1: Write the proportion equation
   516,330 : 1,118,440 = 1,118,440 : x
2. Step 2: Convert to fraction form
   516,330/1,118,440 = 1,118,440/x
3. Step 3: Cross multiply
   516,330x = 1,118,440 × 1,118,440
4. Step 4: Simplify right side
   516,330x = 1,250,908,033,600
5. Step 5: Solve for x
   x = 1,250,908,033,600/516,330
6. Step 6: Final answer
   x = 2,422,690.98