Finding the Third Proportional to 1,385,054 and 2,165,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,054 : 2,165,061 = 2,165,061 : x
2. Step 2: Convert to fraction form
   1,385,054/2,165,061 = 2,165,061/x
3. Step 3: Cross multiply
   1,385,054x = 2,165,061 × 2,165,061
4. Step 4: Simplify right side
   1,385,054x = 4,687,489,133,721
5. Step 5: Solve for x
   x = 4,687,489,133,721/1,385,054
6. Step 6: Final answer
   x = 3,384,336.74