Finding the Third Proportional to 57,396 and 76,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,396 : 76,981.50 = 76,981.50 : x
2. Step 2: Convert to fraction form
   57,396/76,981.50 = 76,981.50/x
3. Step 3: Cross multiply
   57,396x = 76,981.50 × 76,981.50
4. Step 4: Simplify right side
   57,396x = 5,926,151,342.25
5. Step 5: Solve for x
   x = 5,926,151,342.25/57,396
6. Step 6: Final answer
   x = 103,250.25