Finding the Third Proportional to 1,514,838 and 3,287,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514,838 : 3,287,178 = 3,287,178 : x
2. Step 2: Convert to fraction form
   1,514,838/3,287,178 = 3,287,178/x
3. Step 3: Cross multiply
   1,514,838x = 3,287,178 × 3,287,178
4. Step 4: Simplify right side
   1,514,838x = 10,805,539,203,684
5. Step 5: Solve for x
   x = 10,805,539,203,684/1,514,838
6. Step 6: Final answer
   x = 7,133,131.86