Finding the Third Proportional to 242,129.25 and 478,062

Step by Step Solution

1. Step 1: Write the proportion equation
   242,129.25 : 478,062 = 478,062 : x
2. Step 2: Convert to fraction form
   242,129.25/478,062 = 478,062/x
3. Step 3: Cross multiply
   242,129.25x = 478,062 × 478,062
4. Step 4: Simplify right side
   242,129.25x = 228,543,275,844
5. Step 5: Solve for x
   x = 228,543,275,844/242,129.25
6. Step 6: Final answer
   x = 943,889.58