Finding the Third Proportional to 32,490 and 70,866

Step by Step Solution

1. Step 1: Write the proportion equation
   32,490 : 70,866 = 70,866 : x
2. Step 2: Convert to fraction form
   32,490/70,866 = 70,866/x
3. Step 3: Cross multiply
   32,490x = 70,866 × 70,866
4. Step 4: Simplify right side
   32,490x = 5,021,989,956
5. Step 5: Solve for x
   x = 5,021,989,956/32,490
6. Step 6: Final answer
   x = 154,570.33