Finding the Third Proportional to 444,982.50 and 921,507

Step by Step Solution

1. Step 1: Write the proportion equation
   444,982.50 : 921,507 = 921,507 : x
2. Step 2: Convert to fraction form
   444,982.50/921,507 = 921,507/x
3. Step 3: Cross multiply
   444,982.50x = 921,507 × 921,507
4. Step 4: Simplify right side
   444,982.50x = 849,175,151,049
5. Step 5: Solve for x
   x = 849,175,151,049/444,982.50
6. Step 6: Final answer
   x = 1,908,333.81