Finding the Third Proportional to 175,480 and 384,280

Step by Step Solution

1. Step 1: Write the proportion equation
   175,480 : 384,280 = 384,280 : x
2. Step 2: Convert to fraction form
   175,480/384,280 = 384,280/x
3. Step 3: Cross multiply
   175,480x = 384,280 × 384,280
4. Step 4: Simplify right side
   175,480x = 147,671,118,400
5. Step 5: Solve for x
   x = 147,671,118,400/175,480
6. Step 6: Final answer
   x = 841,526.77