Finding the Third Proportional to 387,264 and 849,056

Step by Step Solution

1. Step 1: Write the proportion equation
   387,264 : 849,056 = 849,056 : x
2. Step 2: Convert to fraction form
   387,264/849,056 = 849,056/x
3. Step 3: Cross multiply
   387,264x = 849,056 × 849,056
4. Step 4: Simplify right side
   387,264x = 720,896,091,136
5. Step 5: Solve for x
   x = 720,896,091,136/387,264
6. Step 6: Final answer
   x = 1,861,510.73