Finding the Third Proportional to 2,215,440 and 3,319,464

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,440 : 3,319,464 = 3,319,464 : x
2. Step 2: Convert to fraction form
   2,215,440/3,319,464 = 3,319,464/x
3. Step 3: Cross multiply
   2,215,440x = 3,319,464 × 3,319,464
4. Step 4: Simplify right side
   2,215,440x = 11,018,841,247,296
5. Step 5: Solve for x
   x = 11,018,841,247,296/2,215,440
6. Step 6: Final answer
   x = 4,973,658.17