Finding the Third Proportional to 1,239,733 and 1,878,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,733 : 1,878,312 = 1,878,312 : x
2. Step 2: Convert to fraction form
   1,239,733/1,878,312 = 1,878,312/x
3. Step 3: Cross multiply
   1,239,733x = 1,878,312 × 1,878,312
4. Step 4: Simplify right side
   1,239,733x = 3,528,055,969,344
5. Step 5: Solve for x
   x = 3,528,055,969,344/1,239,733
6. Step 6: Final answer
   x = 2,845,819.20