Finding the Third Proportional to 553,272 and 1,207,056

Step by Step Solution

1. Step 1: Write the proportion equation
   553,272 : 1,207,056 = 1,207,056 : x
2. Step 2: Convert to fraction form
   553,272/1,207,056 = 1,207,056/x
3. Step 3: Cross multiply
   553,272x = 1,207,056 × 1,207,056
4. Step 4: Simplify right side
   553,272x = 1,456,984,187,136
5. Step 5: Solve for x
   x = 1,456,984,187,136/553,272
6. Step 6: Final answer
   x = 2,633,395.85