Finding the Third Proportional to 84,308.81 and 183,486

Step by Step Solution

1. Step 1: Write the proportion equation
   84,308.81 : 183,486 = 183,486 : x
2. Step 2: Convert to fraction form
   84,308.81/183,486 = 183,486/x
3. Step 3: Cross multiply
   84,308.81x = 183,486 × 183,486
4. Step 4: Simplify right side
   84,308.81x = 33,667,112,196
5. Step 5: Solve for x
   x = 33,667,112,196/84,308.81
6. Step 6: Final answer
   x = 399,330.88