Finding the Third Proportional to 1,545,509 and 3,319,546

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545,509 : 3,319,546 = 3,319,546 : x
2. Step 2: Convert to fraction form
   1,545,509/3,319,546 = 3,319,546/x
3. Step 3: Cross multiply
   1,545,509x = 3,319,546 × 3,319,546
4. Step 4: Simplify right side
   1,545,509x = 11,019,385,646,116
5. Step 5: Solve for x
   x = 11,019,385,646,116/1,545,509
6. Step 6: Final answer
   x = 7,129,939.49