Finding the Third Proportional to 4,345,138 and 6,573,620

Step by Step Solution

1. Step 1: Write the proportion equation
   4,345,138 : 6,573,620 = 6,573,620 : x
2. Step 2: Convert to fraction form
   4,345,138/6,573,620 = 6,573,620/x
3. Step 3: Cross multiply
   4,345,138x = 6,573,620 × 6,573,620
4. Step 4: Simplify right side
   4,345,138x = 43,212,479,904,400
5. Step 5: Solve for x
   x = 43,212,479,904,400/4,345,138
6. Step 6: Final answer
   x = 9,945,018.99