Finding the Third Proportional to 392,270 and 846,746

Step by Step Solution

1. Step 1: Write the proportion equation
   392,270 : 846,746 = 846,746 : x
2. Step 2: Convert to fraction form
   392,270/846,746 = 846,746/x
3. Step 3: Cross multiply
   392,270x = 846,746 × 846,746
4. Step 4: Simplify right side
   392,270x = 716,978,788,516
5. Step 5: Solve for x
   x = 716,978,788,516/392,270
6. Step 6: Final answer
   x = 1,827,768.60