Finding the Third Proportional to 19,672 and 28,931

Step by Step Solution

1. Step 1: Write the proportion equation
   19,672 : 28,931 = 28,931 : x
2. Step 2: Convert to fraction form
   19,672/28,931 = 28,931/x
3. Step 3: Cross multiply
   19,672x = 28,931 × 28,931
4. Step 4: Simplify right side
   19,672x = 837,002,761
5. Step 5: Solve for x
   x = 837,002,761/19,672
6. Step 6: Final answer
   x = 42,547.92