Finding the Third Proportional to 1,805,070 and 3,921,369

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,070 : 3,921,369 = 3,921,369 : x
2. Step 2: Convert to fraction form
   1,805,070/3,921,369 = 3,921,369/x
3. Step 3: Cross multiply
   1,805,070x = 3,921,369 × 3,921,369
4. Step 4: Simplify right side
   1,805,070x = 15,377,134,834,161
5. Step 5: Solve for x
   x = 15,377,134,834,161/1,805,070
6. Step 6: Final answer
   x = 8,518,857.90