Finding the Third Proportional to 1,557,068 and 3,354,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,068 : 3,354,220 = 3,354,220 : x
2. Step 2: Convert to fraction form
   1,557,068/3,354,220 = 3,354,220/x
3. Step 3: Cross multiply
   1,557,068x = 3,354,220 × 3,354,220
4. Step 4: Simplify right side
   1,557,068x = 11,250,791,808,400
5. Step 5: Solve for x
   x = 11,250,791,808,400/1,557,068
6. Step 6: Final answer
   x = 7,225,626.50