Finding the Third Proportional to 1,599,700 and 3,379,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,599,700 : 3,379,256 = 3,379,256 : x
2. Step 2: Convert to fraction form
   1,599,700/3,379,256 = 3,379,256/x
3. Step 3: Cross multiply
   1,599,700x = 3,379,256 × 3,379,256
4. Step 4: Simplify right side
   1,599,700x = 11,419,371,113,536
5. Step 5: Solve for x
   x = 11,419,371,113,536/1,599,700
6. Step 6: Final answer
   x = 7,138,445.40