Finding the Third Proportional to 79,590 and 171,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,590 : 171,577.50 = 171,577.50 : x
2. Step 2: Convert to fraction form
   79,590/171,577.50 = 171,577.50/x
3. Step 3: Cross multiply
   79,590x = 171,577.50 × 171,577.50
4. Step 4: Simplify right side
   79,590x = 29,438,838,506.25
5. Step 5: Solve for x
   x = 29,438,838,506.25/79,590
6. Step 6: Final answer
   x = 369,881.12