Finding the Third Proportional to 129,468.50 and 276,926

Step by Step Solution

1. Step 1: Write the proportion equation
   129,468.50 : 276,926 = 276,926 : x
2. Step 2: Convert to fraction form
   129,468.50/276,926 = 276,926/x
3. Step 3: Cross multiply
   129,468.50x = 276,926 × 276,926
4. Step 4: Simplify right side
   129,468.50x = 76,688,009,476
5. Step 5: Solve for x
   x = 76,688,009,476/129,468.50
6. Step 6: Final answer
   x = 592,329.48