Finding the Third Proportional to 1,548,778 and 3,321,654

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548,778 : 3,321,654 = 3,321,654 : x
2. Step 2: Convert to fraction form
   1,548,778/3,321,654 = 3,321,654/x
3. Step 3: Cross multiply
   1,548,778x = 3,321,654 × 3,321,654
4. Step 4: Simplify right side
   1,548,778x = 11,033,385,295,716
5. Step 5: Solve for x
   x = 11,033,385,295,716/1,548,778
6. Step 6: Final answer
   x = 7,123,929.51