Finding the Third Proportional to 485,364 and 734,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   485,364 : 734,836.50 = 734,836.50 : x
2. Step 2: Convert to fraction form
   485,364/734,836.50 = 734,836.50/x
3. Step 3: Cross multiply
   485,364x = 734,836.50 × 734,836.50
4. Step 4: Simplify right side
   485,364x = 539,984,681,732.25
5. Step 5: Solve for x
   x = 539,984,681,732.25/485,364
6. Step 6: Final answer
   x = 1,112,535.50