Finding the Third Proportional to 587,700 and 872,910

Step by Step Solution

1. Step 1: Write the proportion equation
   587,700 : 872,910 = 872,910 : x
2. Step 2: Convert to fraction form
   587,700/872,910 = 872,910/x
3. Step 3: Cross multiply
   587,700x = 872,910 × 872,910
4. Step 4: Simplify right side
   587,700x = 761,971,868,100
5. Step 5: Solve for x
   x = 761,971,868,100/587,700
6. Step 6: Final answer
   x = 1,296,532.02