Finding the Third Proportional to 1,111,212 and 1,712,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,212 : 1,712,970 = 1,712,970 : x
2. Step 2: Convert to fraction form
   1,111,212/1,712,970 = 1,712,970/x
3. Step 3: Cross multiply
   1,111,212x = 1,712,970 × 1,712,970
4. Step 4: Simplify right side
   1,111,212x = 2,934,266,220,900
5. Step 5: Solve for x
   x = 2,934,266,220,900/1,111,212
6. Step 6: Final answer
   x = 2,640,599.83