Finding the Third Proportional to 211,420.50 and 460,998

Step by Step Solution

1. Step 1: Write the proportion equation
   211,420.50 : 460,998 = 460,998 : x
2. Step 2: Convert to fraction form
   211,420.50/460,998 = 460,998/x
3. Step 3: Cross multiply
   211,420.50x = 460,998 × 460,998
4. Step 4: Simplify right side
   211,420.50x = 212,519,156,004
5. Step 5: Solve for x
   x = 212,519,156,004/211,420.50
6. Step 6: Final answer
   x = 1,005,196.54