Finding the Third Proportional to 1,345,212 and 2,242,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,212 : 2,242,020 = 2,242,020 : x
2. Step 2: Convert to fraction form
   1,345,212/2,242,020 = 2,242,020/x
3. Step 3: Cross multiply
   1,345,212x = 2,242,020 × 2,242,020
4. Step 4: Simplify right side
   1,345,212x = 5,026,653,680,400
5. Step 5: Solve for x
   x = 5,026,653,680,400/1,345,212
6. Step 6: Final answer
   x = 3,736,700