Finding the Third Proportional to 1,309,642.50 and 1,969,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,642.50 : 1,969,338 = 1,969,338 : x
2. Step 2: Convert to fraction form
   1,309,642.50/1,969,338 = 1,969,338/x
3. Step 3: Cross multiply
   1,309,642.50x = 1,969,338 × 1,969,338
4. Step 4: Simplify right side
   1,309,642.50x = 3,878,292,158,244
5. Step 5: Solve for x
   x = 3,878,292,158,244/1,309,642.50
6. Step 6: Final answer
   x = 2,961,336.52