Finding the Third Proportional to 1,312,121 and 1,961,350

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,121 : 1,961,350 = 1,961,350 : x
2. Step 2: Convert to fraction form
   1,312,121/1,961,350 = 1,961,350/x
3. Step 3: Cross multiply
   1,312,121x = 1,961,350 × 1,961,350
4. Step 4: Simplify right side
   1,312,121x = 3,846,893,822,500
5. Step 5: Solve for x
   x = 3,846,893,822,500/1,312,121
6. Step 6: Final answer
   x = 2,931,813.32