Finding the Third Proportional to 1,512,521 and 2,343,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512,521 : 2,343,144 = 2,343,144 : x
2. Step 2: Convert to fraction form
   1,512,521/2,343,144 = 2,343,144/x
3. Step 3: Cross multiply
   1,512,521x = 2,343,144 × 2,343,144
4. Step 4: Simplify right side
   1,512,521x = 5,490,323,804,736
5. Step 5: Solve for x
   x = 5,490,323,804,736/1,512,521
6. Step 6: Final answer
   x = 3,629,915.75