Finding the Third Proportional to 543,915 and 764,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   543,915 : 764,599.50 = 764,599.50 : x
2. Step 2: Convert to fraction form
   543,915/764,599.50 = 764,599.50/x
3. Step 3: Cross multiply
   543,915x = 764,599.50 × 764,599.50
4. Step 4: Simplify right side
   543,915x = 584,612,395,400.25
5. Step 5: Solve for x
   x = 584,612,395,400.25/543,915
6. Step 6: Final answer
   x = 1,074,823.08