Finding the Third Proportional to 1,239,737 and 1,878,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,737 : 1,878,318 = 1,878,318 : x
2. Step 2: Convert to fraction form
   1,239,737/1,878,318 = 1,878,318/x
3. Step 3: Cross multiply
   1,239,737x = 1,878,318 × 1,878,318
4. Step 4: Simplify right side
   1,239,737x = 3,528,078,509,124
5. Step 5: Solve for x
   x = 3,528,078,509,124/1,239,737
6. Step 6: Final answer
   x = 2,845,828.20