Finding the Third Proportional to 589,111.50 and 921,576

Step by Step Solution

1. Step 1: Write the proportion equation
   589,111.50 : 921,576 = 921,576 : x
2. Step 2: Convert to fraction form
   589,111.50/921,576 = 921,576/x
3. Step 3: Cross multiply
   589,111.50x = 921,576 × 921,576
4. Step 4: Simplify right side
   589,111.50x = 849,302,323,776
5. Step 5: Solve for x
   x = 849,302,323,776/589,111.50
6. Step 6: Final answer
   x = 1,441,666.52