Finding the Third Proportional to 1,721,045 and 3,781,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,045 : 3,781,818 = 3,781,818 : x
2. Step 2: Convert to fraction form
   1,721,045/3,781,818 = 3,781,818/x
3. Step 3: Cross multiply
   1,721,045x = 3,781,818 × 3,781,818
4. Step 4: Simplify right side
   1,721,045x = 14,302,147,385,124
5. Step 5: Solve for x
   x = 14,302,147,385,124/1,721,045
6. Step 6: Final answer
   x = 8,310,153.07