Finding the Third Proportional to 452,839.50 and 666,135

Step by Step Solution

1. Step 1: Write the proportion equation
   452,839.50 : 666,135 = 666,135 : x
2. Step 2: Convert to fraction form
   452,839.50/666,135 = 666,135/x
3. Step 3: Cross multiply
   452,839.50x = 666,135 × 666,135
4. Step 4: Simplify right side
   452,839.50x = 443,735,838,225
5. Step 5: Solve for x
   x = 443,735,838,225/452,839.50
6. Step 6: Final answer
   x = 979,896.49