Finding the Third Proportional to 843,668 and 1,856,174

Step by Step Solution

1. Step 1: Write the proportion equation
   843,668 : 1,856,174 = 1,856,174 : x
2. Step 2: Convert to fraction form
   843,668/1,856,174 = 1,856,174/x
3. Step 3: Cross multiply
   843,668x = 1,856,174 × 1,856,174
4. Step 4: Simplify right side
   843,668x = 3,445,381,918,276
5. Step 5: Solve for x
   x = 3,445,381,918,276/843,668
6. Step 6: Final answer
   x = 4,083,812.49