Finding the Third Proportional to 349,987.50 and 767,772

Step by Step Solution

1. Step 1: Write the proportion equation
   349,987.50 : 767,772 = 767,772 : x
2. Step 2: Convert to fraction form
   349,987.50/767,772 = 767,772/x
3. Step 3: Cross multiply
   349,987.50x = 767,772 × 767,772
4. Step 4: Simplify right side
   349,987.50x = 589,473,843,984
5. Step 5: Solve for x
   x = 589,473,843,984/349,987.50
6. Step 6: Final answer
   x = 1,684,271.14