Finding the Third Proportional to 861,080 and 1,877,166

Step by Step Solution

1. Step 1: Write the proportion equation
   861,080 : 1,877,166 = 1,877,166 : x
2. Step 2: Convert to fraction form
   861,080/1,877,166 = 1,877,166/x
3. Step 3: Cross multiply
   861,080x = 1,877,166 × 1,877,166
4. Step 4: Simplify right side
   861,080x = 3,523,752,191,556
5. Step 5: Solve for x
   x = 3,523,752,191,556/861,080
6. Step 6: Final answer
   x = 4,092,247.17