Finding the Third Proportional to 200,945 and 429,527

Step by Step Solution

1. Step 1: Write the proportion equation
   200,945 : 429,527 = 429,527 : x
2. Step 2: Convert to fraction form
   200,945/429,527 = 429,527/x
3. Step 3: Cross multiply
   200,945x = 429,527 × 429,527
4. Step 4: Simplify right side
   200,945x = 184,493,443,729
5. Step 5: Solve for x
   x = 184,493,443,729/200,945
6. Step 6: Final answer
   x = 918,129.06