Finding the Third Proportional to 1,017,440 and 2,137,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,440 : 2,137,264 = 2,137,264 : x
2. Step 2: Convert to fraction form
   1,017,440/2,137,264 = 2,137,264/x
3. Step 3: Cross multiply
   1,017,440x = 2,137,264 × 2,137,264
4. Step 4: Simplify right side
   1,017,440x = 4,567,897,405,696
5. Step 5: Solve for x
   x = 4,567,897,405,696/1,017,440
6. Step 6: Final answer
   x = 4,489,598.80