Finding the Third Proportional to 139,363 and 183,123

Step by Step Solution

1. Step 1: Write the proportion equation
   139,363 : 183,123 = 183,123 : x
2. Step 2: Convert to fraction form
   139,363/183,123 = 183,123/x
3. Step 3: Cross multiply
   139,363x = 183,123 × 183,123
4. Step 4: Simplify right side
   139,363x = 33,534,033,129
5. Step 5: Solve for x
   x = 33,534,033,129/139,363
6. Step 6: Final answer
   x = 240,623.65