Finding the Third Proportional to 1,108,998 and 1,671,381

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,998 : 1,671,381 = 1,671,381 : x
2. Step 2: Convert to fraction form
   1,108,998/1,671,381 = 1,671,381/x
3. Step 3: Cross multiply
   1,108,998x = 1,671,381 × 1,671,381
4. Step 4: Simplify right side
   1,108,998x = 2,793,514,447,161
5. Step 5: Solve for x
   x = 2,793,514,447,161/1,108,998
6. Step 6: Final answer
   x = 2,518,953.55