Finding the Third Proportional to 1,309,670 and 1,969,377

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,670 : 1,969,377 = 1,969,377 : x
2. Step 2: Convert to fraction form
   1,309,670/1,969,377 = 1,969,377/x
3. Step 3: Cross multiply
   1,309,670x = 1,969,377 × 1,969,377
4. Step 4: Simplify right side
   1,309,670x = 3,878,445,768,129
5. Step 5: Solve for x
   x = 3,878,445,768,129/1,309,670
6. Step 6: Final answer
   x = 2,961,391.62