Finding the Third Proportional to 552,960 and 1,213,056

Step by Step Solution

1. Step 1: Write the proportion equation
   552,960 : 1,213,056 = 1,213,056 : x
2. Step 2: Convert to fraction form
   552,960/1,213,056 = 1,213,056/x
3. Step 3: Cross multiply
   552,960x = 1,213,056 × 1,213,056
4. Step 4: Simplify right side
   552,960x = 1,471,504,859,136
5. Step 5: Solve for x
   x = 1,471,504,859,136/552,960
6. Step 6: Final answer
   x = 2,661,141.60