Finding the Third Proportional to 499,368 and 761,499

Step by Step Solution

1. Step 1: Write the proportion equation
   499,368 : 761,499 = 761,499 : x
2. Step 2: Convert to fraction form
   499,368/761,499 = 761,499/x
3. Step 3: Cross multiply
   499,368x = 761,499 × 761,499
4. Step 4: Simplify right side
   499,368x = 579,880,727,001
5. Step 5: Solve for x
   x = 579,880,727,001/499,368
6. Step 6: Final answer
   x = 1,161,229.25