Finding the Third Proportional to 28,191 and 43,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,191 : 43,345.50 = 43,345.50 : x
2. Step 2: Convert to fraction form
   28,191/43,345.50 = 43,345.50/x
3. Step 3: Cross multiply
   28,191x = 43,345.50 × 43,345.50
4. Step 4: Simplify right side
   28,191x = 1,878,832,370.25
5. Step 5: Solve for x
   x = 1,878,832,370.25/28,191
6. Step 6: Final answer
   x = 66,646.53