Finding the Third Proportional to 43,276 and 89,840

Step by Step Solution

1. Step 1: Write the proportion equation
   43,276 : 89,840 = 89,840 : x
2. Step 2: Convert to fraction form
   43,276/89,840 = 89,840/x
3. Step 3: Cross multiply
   43,276x = 89,840 × 89,840
4. Step 4: Simplify right side
   43,276x = 8,071,225,600
5. Step 5: Solve for x
   x = 8,071,225,600/43,276
6. Step 6: Final answer
   x = 186,505.81