Finding the Third Proportional to 78,271.50 and 118,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,271.50 : 118,903.50 = 118,903.50 : x
2. Step 2: Convert to fraction form
   78,271.50/118,903.50 = 118,903.50/x
3. Step 3: Cross multiply
   78,271.50x = 118,903.50 × 118,903.50
4. Step 4: Simplify right side
   78,271.50x = 14,138,042,312.25
5. Step 5: Solve for x
   x = 14,138,042,312.25/78,271.50
6. Step 6: Final answer
   x = 180,628.23