Finding the Third Proportional to 90,032 and 208,432

Step by Step Solution

1. Step 1: Write the proportion equation
   90,032 : 208,432 = 208,432 : x
2. Step 2: Convert to fraction form
   90,032/208,432 = 208,432/x
3. Step 3: Cross multiply
   90,032x = 208,432 × 208,432
4. Step 4: Simplify right side
   90,032x = 43,443,898,624
5. Step 5: Solve for x
   x = 43,443,898,624/90,032
6. Step 6: Final answer
   x = 482,538.42