Finding the Third Proportional to 39,774.38 and 85,772.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,774.38 : 85,772.63 = 85,772.63 : x
2. Step 2: Convert to fraction form
   39,774.38/85,772.63 = 85,772.63/x
3. Step 3: Cross multiply
   39,774.38x = 85,772.63 × 85,772.63
4. Step 4: Simplify right side
   39,774.38x = 7,356,943,199.39
5. Step 5: Solve for x
   x = 7,356,943,199.39/39,774.38
6. Step 6: Final answer
   x = 184,966.91