Finding the Third Proportional to 1,385,878 and 2,073,165

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,878 : 2,073,165 = 2,073,165 : x
2. Step 2: Convert to fraction form
   1,385,878/2,073,165 = 2,073,165/x
3. Step 3: Cross multiply
   1,385,878x = 2,073,165 × 2,073,165
4. Step 4: Simplify right side
   1,385,878x = 4,298,013,117,225
5. Step 5: Solve for x
   x = 4,298,013,117,225/1,385,878
6. Step 6: Final answer
   x = 3,101,292.55