Finding the Third Proportional to 2,186,947 and 3,078,334

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,947 : 3,078,334 = 3,078,334 : x
2. Step 2: Convert to fraction form
   2,186,947/3,078,334 = 3,078,334/x
3. Step 3: Cross multiply
   2,186,947x = 3,078,334 × 3,078,334
4. Step 4: Simplify right side
   2,186,947x = 9,476,140,215,556
5. Step 5: Solve for x
   x = 9,476,140,215,556/2,186,947
6. Step 6: Final answer
   x = 4,333,045.21