Finding the Third Proportional to 1,312,144 and 1,961,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,144 : 1,961,370 = 1,961,370 : x
2. Step 2: Convert to fraction form
   1,312,144/1,961,370 = 1,961,370/x
3. Step 3: Cross multiply
   1,312,144x = 1,961,370 × 1,961,370
4. Step 4: Simplify right side
   1,312,144x = 3,846,972,276,900
5. Step 5: Solve for x
   x = 3,846,972,276,900/1,312,144
6. Step 6: Final answer
   x = 2,931,821.72