Finding the Third Proportional to 1,554,494 and 3,345,187

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,494 : 3,345,187 = 3,345,187 : x
2. Step 2: Convert to fraction form
   1,554,494/3,345,187 = 3,345,187/x
3. Step 3: Cross multiply
   1,554,494x = 3,345,187 × 3,345,187
4. Step 4: Simplify right side
   1,554,494x = 11,190,276,064,969
5. Step 5: Solve for x
   x = 11,190,276,064,969/1,554,494
6. Step 6: Final answer
   x = 7,198,661.47