Finding the Third Proportional to 78,237 and 117,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,237 : 117,730.50 = 117,730.50 : x
2. Step 2: Convert to fraction form
   78,237/117,730.50 = 117,730.50/x
3. Step 3: Cross multiply
   78,237x = 117,730.50 × 117,730.50
4. Step 4: Simplify right side
   78,237x = 13,860,470,630.25
5. Step 5: Solve for x
   x = 13,860,470,630.25/78,237
6. Step 6: Final answer
   x = 177,160.05