Finding the Third Proportional to 1,315,284 and 1,973,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,284 : 1,973,109 = 1,973,109 : x
2. Step 2: Convert to fraction form
   1,315,284/1,973,109 = 1,973,109/x
3. Step 3: Cross multiply
   1,315,284x = 1,973,109 × 1,973,109
4. Step 4: Simplify right side
   1,315,284x = 3,893,159,125,881
5. Step 5: Solve for x
   x = 3,893,159,125,881/1,315,284
6. Step 6: Final answer
   x = 2,959,938.03