Finding the Third Proportional to 349,965 and 749,499

Step by Step Solution

1. Step 1: Write the proportion equation
   349,965 : 749,499 = 749,499 : x
2. Step 2: Convert to fraction form
   349,965/749,499 = 749,499/x
3. Step 3: Cross multiply
   349,965x = 749,499 × 749,499
4. Step 4: Simplify right side
   349,965x = 561,748,751,001
5. Step 5: Solve for x
   x = 561,748,751,001/349,965
6. Step 6: Final answer
   x = 1,605,156.95