Finding the Third Proportional to 510,066 and 1,056,978

Step by Step Solution

1. Step 1: Write the proportion equation
   510,066 : 1,056,978 = 1,056,978 : x
2. Step 2: Convert to fraction form
   510,066/1,056,978 = 1,056,978/x
3. Step 3: Cross multiply
   510,066x = 1,056,978 × 1,056,978
4. Step 4: Simplify right side
   510,066x = 1,117,202,492,484
5. Step 5: Solve for x
   x = 1,117,202,492,484/510,066
6. Step 6: Final answer
   x = 2,190,309.67