Finding the Third Proportional to 498,858 and 760,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,858 : 760,741.50 = 760,741.50 : x
2. Step 2: Convert to fraction form
   498,858/760,741.50 = 760,741.50/x
3. Step 3: Cross multiply
   498,858x = 760,741.50 × 760,741.50
4. Step 4: Simplify right side
   498,858x = 578,727,629,822.25
5. Step 5: Solve for x
   x = 578,727,629,822.25/498,858
6. Step 6: Final answer
   x = 1,160,104.94