Finding the Third Proportional to 78,330 and 126,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,330 : 126,094.50 = 126,094.50 : x
2. Step 2: Convert to fraction form
   78,330/126,094.50 = 126,094.50/x
3. Step 3: Cross multiply
   78,330x = 126,094.50 × 126,094.50
4. Step 4: Simplify right side
   78,330x = 15,899,822,930.25
5. Step 5: Solve for x
   x = 15,899,822,930.25/78,330
6. Step 6: Final answer
   x = 202,985.10