Finding the Third Proportional to 2,145,260 and 4,236,376

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,260 : 4,236,376 = 4,236,376 : x
2. Step 2: Convert to fraction form
   2,145,260/4,236,376 = 4,236,376/x
3. Step 3: Cross multiply
   2,145,260x = 4,236,376 × 4,236,376
4. Step 4: Simplify right side
   2,145,260x = 17,946,881,613,376
5. Step 5: Solve for x
   x = 17,946,881,613,376/2,145,260
6. Step 6: Final answer
   x = 8,365,830.53