Finding the Third Proportional to 126,230 and 276,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,230 : 276,602.50 = 276,602.50 : x
2. Step 2: Convert to fraction form
   126,230/276,602.50 = 276,602.50/x
3. Step 3: Cross multiply
   126,230x = 276,602.50 × 276,602.50
4. Step 4: Simplify right side
   126,230x = 76,508,943,006.25
5. Step 5: Solve for x
   x = 76,508,943,006.25/126,230
6. Step 6: Final answer
   x = 606,107.45