Finding the Third Proportional to 868,416 and 1,830,144

Step by Step Solution

1. Step 1: Write the proportion equation
   868,416 : 1,830,144 = 1,830,144 : x
2. Step 2: Convert to fraction form
   868,416/1,830,144 = 1,830,144/x
3. Step 3: Cross multiply
   868,416x = 1,830,144 × 1,830,144
4. Step 4: Simplify right side
   868,416x = 3,349,427,060,736
5. Step 5: Solve for x
   x = 3,349,427,060,736/868,416
6. Step 6: Final answer
   x = 3,856,938.45