Finding the Third Proportional to 553,188 and 1,206,910

Step by Step Solution

1. Step 1: Write the proportion equation
   553,188 : 1,206,910 = 1,206,910 : x
2. Step 2: Convert to fraction form
   553,188/1,206,910 = 1,206,910/x
3. Step 3: Cross multiply
   553,188x = 1,206,910 × 1,206,910
4. Step 4: Simplify right side
   553,188x = 1,456,631,748,100
5. Step 5: Solve for x
   x = 1,456,631,748,100/553,188
6. Step 6: Final answer
   x = 2,633,158.62