Finding the Third Proportional to 52,912 and 71,781

Step by Step Solution

1. Step 1: Write the proportion equation
   52,912 : 71,781 = 71,781 : x
2. Step 2: Convert to fraction form
   52,912/71,781 = 71,781/x
3. Step 3: Cross multiply
   52,912x = 71,781 × 71,781
4. Step 4: Simplify right side
   52,912x = 5,152,511,961
5. Step 5: Solve for x
   x = 5,152,511,961/52,912
6. Step 6: Final answer
   x = 97,378.89