Finding the Third Proportional to 1,574,200 and 3,479,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,200 : 3,479,174 = 3,479,174 : x
2. Step 2: Convert to fraction form
   1,574,200/3,479,174 = 3,479,174/x
3. Step 3: Cross multiply
   1,574,200x = 3,479,174 × 3,479,174
4. Step 4: Simplify right side
   1,574,200x = 12,104,651,722,276
5. Step 5: Solve for x
   x = 12,104,651,722,276/1,574,200
6. Step 6: Final answer
   x = 7,689,398.88