Finding the Third Proportional to 552,140 and 824,910

Step by Step Solution

1. Step 1: Write the proportion equation
   552,140 : 824,910 = 824,910 : x
2. Step 2: Convert to fraction form
   552,140/824,910 = 824,910/x
3. Step 3: Cross multiply
   552,140x = 824,910 × 824,910
4. Step 4: Simplify right side
   552,140x = 680,476,508,100
5. Step 5: Solve for x
   x = 680,476,508,100/552,140
6. Step 6: Final answer
   x = 1,232,434.72