Finding the Third Proportional to 3,431,738 and 7,319,464

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,738 : 7,319,464 = 7,319,464 : x
2. Step 2: Convert to fraction form
   3,431,738/7,319,464 = 7,319,464/x
3. Step 3: Cross multiply
   3,431,738x = 7,319,464 × 7,319,464
4. Step 4: Simplify right side
   3,431,738x = 53,574,553,247,296
5. Step 5: Solve for x
   x = 53,574,553,247,296/3,431,738
6. Step 6: Final answer
   x = 15,611,492.85