Finding the Third Proportional to 3,186,434 and 4,783,107

Step by Step Solution

1. Step 1: Write the proportion equation
   3,186,434 : 4,783,107 = 4,783,107 : x
2. Step 2: Convert to fraction form
   3,186,434/4,783,107 = 4,783,107/x
3. Step 3: Cross multiply
   3,186,434x = 4,783,107 × 4,783,107
4. Step 4: Simplify right side
   3,186,434x = 22,878,112,573,449
5. Step 5: Solve for x
   x = 22,878,112,573,449/3,186,434
6. Step 6: Final answer
   x = 7,179,848.25