Finding the Third Proportional to 43,386.89 and 65,199.94

Step by Step Solution

1. Step 1: Write the proportion equation
   43,386.89 : 65,199.94 = 65,199.94 : x
2. Step 2: Convert to fraction form
   43,386.89/65,199.94 = 65,199.94/x
3. Step 3: Cross multiply
   43,386.89x = 65,199.94 × 65,199.94
4. Step 4: Simplify right side
   43,386.89x = 4,251,031,850.00
5. Step 5: Solve for x
   x = 4,251,031,850.00/43,386.89
6. Step 6: Final answer
   x = 97,979.64