Finding the Third Proportional to 39,548.81 and 85,312.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,548.81 : 85,312.69 = 85,312.69 : x
2. Step 2: Convert to fraction form
   39,548.81/85,312.69 = 85,312.69/x
3. Step 3: Cross multiply
   39,548.81x = 85,312.69 × 85,312.69
4. Step 4: Simplify right side
   39,548.81x = 7,278,254,648.47
5. Step 5: Solve for x
   x = 7,278,254,648.47/39,548.81
6. Step 6: Final answer
   x = 184,032.19