Finding the Third Proportional to 517,383 and 772,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,383 : 772,888.50 = 772,888.50 : x
2. Step 2: Convert to fraction form
   517,383/772,888.50 = 772,888.50/x
3. Step 3: Cross multiply
   517,383x = 772,888.50 × 772,888.50
4. Step 4: Simplify right side
   517,383x = 597,356,633,432.25
5. Step 5: Solve for x
   x = 597,356,633,432.25/517,383
6. Step 6: Final answer
   x = 1,154,573.37