Finding the Third Proportional to 90,054 and 208,476

Step by Step Solution

1. Step 1: Write the proportion equation
   90,054 : 208,476 = 208,476 : x
2. Step 2: Convert to fraction form
   90,054/208,476 = 208,476/x
3. Step 3: Cross multiply
   90,054x = 208,476 × 208,476
4. Step 4: Simplify right side
   90,054x = 43,462,242,576
5. Step 5: Solve for x
   x = 43,462,242,576/90,054
6. Step 6: Final answer
   x = 482,624.23