Finding the Third Proportional to 1,312,116 and 1,961,343

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,116 : 1,961,343 = 1,961,343 : x
2. Step 2: Convert to fraction form
   1,312,116/1,961,343 = 1,961,343/x
3. Step 3: Cross multiply
   1,312,116x = 1,961,343 × 1,961,343
4. Step 4: Simplify right side
   1,312,116x = 3,846,866,363,649
5. Step 5: Solve for x
   x = 3,846,866,363,649/1,312,116
6. Step 6: Final answer
   x = 2,931,803.56