Finding the Third Proportional to 1,385,878 and 2,073,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,878 : 2,073,168 = 2,073,168 : x
2. Step 2: Convert to fraction form
   1,385,878/2,073,168 = 2,073,168/x
3. Step 3: Cross multiply
   1,385,878x = 2,073,168 × 2,073,168
4. Step 4: Simplify right side
   1,385,878x = 4,298,025,556,224
5. Step 5: Solve for x
   x = 4,298,025,556,224/1,385,878
6. Step 6: Final answer
   x = 3,101,301.53