Finding the Third Proportional to 1,271,362.50 and 1,918,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,362.50 : 1,918,866 = 1,918,866 : x
2. Step 2: Convert to fraction form
   1,271,362.50/1,918,866 = 1,918,866/x
3. Step 3: Cross multiply
   1,271,362.50x = 1,918,866 × 1,918,866
4. Step 4: Simplify right side
   1,271,362.50x = 3,682,046,725,956
5. Step 5: Solve for x
   x = 3,682,046,725,956/1,271,362.50
6. Step 6: Final answer
   x = 2,896,142.31