Finding the Third Proportional to 139,490 and 179,102

Step by Step Solution

1. Step 1: Write the proportion equation
   139,490 : 179,102 = 179,102 : x
2. Step 2: Convert to fraction form
   139,490/179,102 = 179,102/x
3. Step 3: Cross multiply
   139,490x = 179,102 × 179,102
4. Step 4: Simplify right side
   139,490x = 32,077,526,404
5. Step 5: Solve for x
   x = 32,077,526,404/139,490
6. Step 6: Final answer
   x = 229,962.91