Finding the Third Proportional to 1,306,212 and 2,017,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,212 : 2,017,572 = 2,017,572 : x
2. Step 2: Convert to fraction form
   1,306,212/2,017,572 = 2,017,572/x
3. Step 3: Cross multiply
   1,306,212x = 2,017,572 × 2,017,572
4. Step 4: Simplify right side
   1,306,212x = 4,070,596,775,184
5. Step 5: Solve for x
   x = 4,070,596,775,184/1,306,212
6. Step 6: Final answer
   x = 3,116,336.99