Finding the Third Proportional to 103,812 and 155,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,812 : 155,718.50 = 155,718.50 : x
2. Step 2: Convert to fraction form
   103,812/155,718.50 = 155,718.50/x
3. Step 3: Cross multiply
   103,812x = 155,718.50 × 155,718.50
4. Step 4: Simplify right side
   103,812x = 24,248,251,242.25
5. Step 5: Solve for x
   x = 24,248,251,242.25/103,812
6. Step 6: Final answer
   x = 233,578.50