Finding the Third Proportional to 3,449,470 and 7,256,429

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449,470 : 7,256,429 = 7,256,429 : x
2. Step 2: Convert to fraction form
   3,449,470/7,256,429 = 7,256,429/x
3. Step 3: Cross multiply
   3,449,470x = 7,256,429 × 7,256,429
4. Step 4: Simplify right side
   3,449,470x = 52,655,761,832,041
5. Step 5: Solve for x
   x = 52,655,761,832,041/3,449,470
6. Step 6: Final answer
   x = 15,264,884.70