Finding the Third Proportional to 918,858 and 1,946,820

Step by Step Solution

1. Step 1: Write the proportion equation
   918,858 : 1,946,820 = 1,946,820 : x
2. Step 2: Convert to fraction form
   918,858/1,946,820 = 1,946,820/x
3. Step 3: Cross multiply
   918,858x = 1,946,820 × 1,946,820
4. Step 4: Simplify right side
   918,858x = 3,790,108,112,400
5. Step 5: Solve for x
   x = 3,790,108,112,400/918,858
6. Step 6: Final answer
   x = 4,124,802.87