Finding the Third Proportional to 366,334.50 and 781,056

Step by Step Solution

1. Step 1: Write the proportion equation
   366,334.50 : 781,056 = 781,056 : x
2. Step 2: Convert to fraction form
   366,334.50/781,056 = 781,056/x
3. Step 3: Cross multiply
   366,334.50x = 781,056 × 781,056
4. Step 4: Simplify right side
   366,334.50x = 610,048,475,136
5. Step 5: Solve for x
   x = 610,048,475,136/366,334.50
6. Step 6: Final answer
   x = 1,665,277.16