Finding the Third Proportional to 349,710.75 and 749,034

Step by Step Solution

1. Step 1: Write the proportion equation
   349,710.75 : 749,034 = 749,034 : x
2. Step 2: Convert to fraction form
   349,710.75/749,034 = 749,034/x
3. Step 3: Cross multiply
   349,710.75x = 749,034 × 749,034
4. Step 4: Simplify right side
   349,710.75x = 561,051,933,156
5. Step 5: Solve for x
   x = 561,051,933,156/349,710.75
6. Step 6: Final answer
   x = 1,604,331.39