Finding the Third Proportional to 64,558.50 and 94,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,558.50 : 94,717.50 = 94,717.50 : x
2. Step 2: Convert to fraction form
   64,558.50/94,717.50 = 94,717.50/x
3. Step 3: Cross multiply
   64,558.50x = 94,717.50 × 94,717.50
4. Step 4: Simplify right side
   64,558.50x = 8,971,404,806.25
5. Step 5: Solve for x
   x = 8,971,404,806.25/64,558.50
6. Step 6: Final answer
   x = 138,965.51