Finding the Third Proportional to 90,406 and 183,364

Step by Step Solution

1. Step 1: Write the proportion equation
   90,406 : 183,364 = 183,364 : x
2. Step 2: Convert to fraction form
   90,406/183,364 = 183,364/x
3. Step 3: Cross multiply
   90,406x = 183,364 × 183,364
4. Step 4: Simplify right side
   90,406x = 33,622,356,496
5. Step 5: Solve for x
   x = 33,622,356,496/90,406
6. Step 6: Final answer
   x = 371,904.04