Finding the Third Proportional to 1,315,924 and 1,988,226

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,924 : 1,988,226 = 1,988,226 : x
2. Step 2: Convert to fraction form
   1,315,924/1,988,226 = 1,988,226/x
3. Step 3: Cross multiply
   1,315,924x = 1,988,226 × 1,988,226
4. Step 4: Simplify right side
   1,315,924x = 3,953,042,627,076
5. Step 5: Solve for x
   x = 3,953,042,627,076/1,315,924
6. Step 6: Final answer
   x = 3,004,005.27