Finding the Third Proportional to 211,004 and 455,300

Step by Step Solution

1. Step 1: Write the proportion equation
   211,004 : 455,300 = 455,300 : x
2. Step 2: Convert to fraction form
   211,004/455,300 = 455,300/x
3. Step 3: Cross multiply
   211,004x = 455,300 × 455,300
4. Step 4: Simplify right side
   211,004x = 207,298,090,000
5. Step 5: Solve for x
   x = 207,298,090,000/211,004
6. Step 6: Final answer
   x = 982,436.78