Finding the Third Proportional to 558,242 and 1,210,084

Step by Step Solution

1. Step 1: Write the proportion equation
   558,242 : 1,210,084 = 1,210,084 : x
2. Step 2: Convert to fraction form
   558,242/1,210,084 = 1,210,084/x
3. Step 3: Cross multiply
   558,242x = 1,210,084 × 1,210,084
4. Step 4: Simplify right side
   558,242x = 1,464,303,287,056
5. Step 5: Solve for x
   x = 1,464,303,287,056/558,242
6. Step 6: Final answer
   x = 2,623,061.84