Finding the Third Proportional to 1,214,151 and 1,781,859

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,151 : 1,781,859 = 1,781,859 : x
2. Step 2: Convert to fraction form
   1,214,151/1,781,859 = 1,781,859/x
3. Step 3: Cross multiply
   1,214,151x = 1,781,859 × 1,781,859
4. Step 4: Simplify right side
   1,214,151x = 3,175,021,495,881
5. Step 5: Solve for x
   x = 3,175,021,495,881/1,214,151
6. Step 6: Final answer
   x = 2,615,013.70