Finding the Third Proportional to 507,040 and 758,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   507,040 : 758,980.50 = 758,980.50 : x
2. Step 2: Convert to fraction form
   507,040/758,980.50 = 758,980.50/x
3. Step 3: Cross multiply
   507,040x = 758,980.50 × 758,980.50
4. Step 4: Simplify right side
   507,040x = 576,051,399,380.25
5. Step 5: Solve for x
   x = 576,051,399,380.25/507,040
6. Step 6: Final answer
   x = 1,136,106.42