Finding the Third Proportional to 385,810 and 846,322

Step by Step Solution

1. Step 1: Write the proportion equation
   385,810 : 846,322 = 846,322 : x
2. Step 2: Convert to fraction form
   385,810/846,322 = 846,322/x
3. Step 3: Cross multiply
   385,810x = 846,322 × 846,322
4. Step 4: Simplify right side
   385,810x = 716,260,927,684
5. Step 5: Solve for x
   x = 716,260,927,684/385,810
6. Step 6: Final answer
   x = 1,856,512.09