Finding the Third Proportional to 1,570,221 and 3,450,103

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,221 : 3,450,103 = 3,450,103 : x
2. Step 2: Convert to fraction form
   1,570,221/3,450,103 = 3,450,103/x
3. Step 3: Cross multiply
   1,570,221x = 3,450,103 × 3,450,103
4. Step 4: Simplify right side
   1,570,221x = 11,903,210,710,609
5. Step 5: Solve for x
   x = 11,903,210,710,609/1,570,221
6. Step 6: Final answer
   x = 7,580,595.80