Finding the Third Proportional to 478,994.25 and 666,003.38

Step by Step Solution

1. Step 1: Write the proportion equation
   478,994.25 : 666,003.38 = 666,003.38 : x
2. Step 2: Convert to fraction form
   478,994.25/666,003.38 = 666,003.38/x
3. Step 3: Cross multiply
   478,994.25x = 666,003.38 × 666,003.38
4. Step 4: Simplify right side
   478,994.25x = 443,560,495,511.39
5. Step 5: Solve for x
   x = 443,560,495,511.39/478,994.25
6. Step 6: Final answer
   x = 926,024.68