Finding the Third Proportional to 1,277,244 and 2,128,654

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,244 : 2,128,654 = 2,128,654 : x
2. Step 2: Convert to fraction form
   1,277,244/2,128,654 = 2,128,654/x
3. Step 3: Cross multiply
   1,277,244x = 2,128,654 × 2,128,654
4. Step 4: Simplify right side
   1,277,244x = 4,531,167,851,716
5. Step 5: Solve for x
   x = 4,531,167,851,716/1,277,244
6. Step 6: Final answer
   x = 3,547,613.34