Finding the Third Proportional to 349,249 and 767,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,249 : 767,080.50 = 767,080.50 : x
2. Step 2: Convert to fraction form
   349,249/767,080.50 = 767,080.50/x
3. Step 3: Cross multiply
   349,249x = 767,080.50 × 767,080.50
4. Step 4: Simplify right side
   349,249x = 588,412,493,480.25
5. Step 5: Solve for x
   x = 588,412,493,480.25/349,249
6. Step 6: Final answer
   x = 1,684,793.64