Finding the Third Proportional to 349,494.50 and 749,964

Step by Step Solution

1. Step 1: Write the proportion equation
   349,494.50 : 749,964 = 749,964 : x
2. Step 2: Convert to fraction form
   349,494.50/749,964 = 749,964/x
3. Step 3: Cross multiply
   349,494.50x = 749,964 × 749,964
4. Step 4: Simplify right side
   349,494.50x = 562,446,001,296
5. Step 5: Solve for x
   x = 562,446,001,296/349,494.50
6. Step 6: Final answer
   x = 1,609,312.88