Finding the Third Proportional to 2,857,471 and 6,112,643

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857,471 : 6,112,643 = 6,112,643 : x
2. Step 2: Convert to fraction form
   2,857,471/6,112,643 = 6,112,643/x
3. Step 3: Cross multiply
   2,857,471x = 6,112,643 × 6,112,643
4. Step 4: Simplify right side
   2,857,471x = 37,364,404,445,449
5. Step 5: Solve for x
   x = 37,364,404,445,449/2,857,471
6. Step 6: Final answer
   x = 13,076,039.77