Finding the Third Proportional to 139,094 and 300,361

Step by Step Solution

1. Step 1: Write the proportion equation
   139,094 : 300,361 = 300,361 : x
2. Step 2: Convert to fraction form
   139,094/300,361 = 300,361/x
3. Step 3: Cross multiply
   139,094x = 300,361 × 300,361
4. Step 4: Simplify right side
   139,094x = 90,216,730,321
5. Step 5: Solve for x
   x = 90,216,730,321/139,094
6. Step 6: Final answer
   x = 648,602.60