Finding the Third Proportional to 39,439.69 and 85,533.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,439.69 : 85,533.75 = 85,533.75 : x
2. Step 2: Convert to fraction form
   39,439.69/85,533.75 = 85,533.75/x
3. Step 3: Cross multiply
   39,439.69x = 85,533.75 × 85,533.75
4. Step 4: Simplify right side
   39,439.69x = 7,316,022,389.06
5. Step 5: Solve for x
   x = 7,316,022,389.06/39,439.69
6. Step 6: Final answer
   x = 185,498.99