Finding the Third Proportional to 552,386 and 1,210,166

Step by Step Solution

1. Step 1: Write the proportion equation
   552,386 : 1,210,166 = 1,210,166 : x
2. Step 2: Convert to fraction form
   552,386/1,210,166 = 1,210,166/x
3. Step 3: Cross multiply
   552,386x = 1,210,166 × 1,210,166
4. Step 4: Simplify right side
   552,386x = 1,464,501,747,556
5. Step 5: Solve for x
   x = 1,464,501,747,556/552,386
6. Step 6: Final answer
   x = 2,651,228.94