Finding the Third Proportional to 552,968 and 1,213,072

Step by Step Solution

1. Step 1: Write the proportion equation
   552,968 : 1,213,072 = 1,213,072 : x
2. Step 2: Convert to fraction form
   552,968/1,213,072 = 1,213,072/x
3. Step 3: Cross multiply
   552,968x = 1,213,072 × 1,213,072
4. Step 4: Simplify right side
   552,968x = 1,471,543,677,184
5. Step 5: Solve for x
   x = 1,471,543,677,184/552,968
6. Step 6: Final answer
   x = 2,661,173.30