Finding the Third Proportional to 1,214,726 and 2,658,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,726 : 2,658,264 = 2,658,264 : x
2. Step 2: Convert to fraction form
   1,214,726/2,658,264 = 2,658,264/x
3. Step 3: Cross multiply
   1,214,726x = 2,658,264 × 2,658,264
4. Step 4: Simplify right side
   1,214,726x = 7,066,367,493,696
5. Step 5: Solve for x
   x = 7,066,367,493,696/1,214,726
6. Step 6: Final answer
   x = 5,817,252.20