Finding the Third Proportional to 210,188 and 461,254

Step by Step Solution

1. Step 1: Write the proportion equation
   210,188 : 461,254 = 461,254 : x
2. Step 2: Convert to fraction form
   210,188/461,254 = 461,254/x
3. Step 3: Cross multiply
   210,188x = 461,254 × 461,254
4. Step 4: Simplify right side
   210,188x = 212,755,252,516
5. Step 5: Solve for x
   x = 212,755,252,516/210,188
6. Step 6: Final answer
   x = 1,012,214.08