Finding the Third Proportional to 186,327 and 290,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,327 : 290,560.50 = 290,560.50 : x
2. Step 2: Convert to fraction form
   186,327/290,560.50 = 290,560.50/x
3. Step 3: Cross multiply
   186,327x = 290,560.50 × 290,560.50
4. Step 4: Simplify right side
   186,327x = 84,425,404,160.25
5. Step 5: Solve for x
   x = 84,425,404,160.25/186,327
6. Step 6: Final answer
   x = 453,103.44