Finding the Third Proportional to 444,957 and 921,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   444,957 : 921,457.50 = 921,457.50 : x
2. Step 2: Convert to fraction form
   444,957/921,457.50 = 921,457.50/x
3. Step 3: Cross multiply
   444,957x = 921,457.50 × 921,457.50
4. Step 4: Simplify right side
   444,957x = 849,083,924,306.25
5. Step 5: Solve for x
   x = 849,083,924,306.25/444,957
6. Step 6: Final answer
   x = 1,908,238.15