Finding the Third Proportional to 58,313 and 89,654

Step by Step Solution

1. Step 1: Write the proportion equation
   58,313 : 89,654 = 89,654 : x
2. Step 2: Convert to fraction form
   58,313/89,654 = 89,654/x
3. Step 3: Cross multiply
   58,313x = 89,654 × 89,654
4. Step 4: Simplify right side
   58,313x = 8,037,839,716
5. Step 5: Solve for x
   x = 8,037,839,716/58,313
6. Step 6: Final answer
   x = 137,839.58