Finding the Third Proportional to 4,341,018 and 9,429,342

Step by Step Solution

1. Step 1: Write the proportion equation
   4,341,018 : 9,429,342 = 9,429,342 : x
2. Step 2: Convert to fraction form
   4,341,018/9,429,342 = 9,429,342/x
3. Step 3: Cross multiply
   4,341,018x = 9,429,342 × 9,429,342
4. Step 4: Simplify right side
   4,341,018x = 88,912,490,552,964
5. Step 5: Solve for x
   x = 88,912,490,552,964/4,341,018
6. Step 6: Final answer
   x = 20,481,944.69