Finding the Third Proportional to 1,572,130 and 3,368,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,130 : 3,368,540 = 3,368,540 : x
2. Step 2: Convert to fraction form
   1,572,130/3,368,540 = 3,368,540/x
3. Step 3: Cross multiply
   1,572,130x = 3,368,540 × 3,368,540
4. Step 4: Simplify right side
   1,572,130x = 11,347,061,731,600
5. Step 5: Solve for x
   x = 11,347,061,731,600/1,572,130
6. Step 6: Final answer
   x = 7,217,635.78