Finding the Third Proportional to 468,807 and 725,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,807 : 725,458.50 = 725,458.50 : x
2. Step 2: Convert to fraction form
   468,807/725,458.50 = 725,458.50/x
3. Step 3: Cross multiply
   468,807x = 725,458.50 × 725,458.50
4. Step 4: Simplify right side
   468,807x = 526,290,035,222.25
5. Step 5: Solve for x
   x = 526,290,035,222.25/468,807
6. Step 6: Final answer
   x = 1,122,615.57