Finding the Third Proportional to 508,230 and 677,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   508,230 : 677,548.50 = 677,548.50 : x
2. Step 2: Convert to fraction form
   508,230/677,548.50 = 677,548.50/x
3. Step 3: Cross multiply
   508,230x = 677,548.50 × 677,548.50
4. Step 4: Simplify right side
   508,230x = 459,071,969,852.25
5. Step 5: Solve for x
   x = 459,071,969,852.25/508,230
6. Step 6: Final answer
   x = 903,276.02