Finding the Third Proportional to 103,985 and 155,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,985 : 155,282.50 = 155,282.50 : x
2. Step 2: Convert to fraction form
   103,985/155,282.50 = 155,282.50/x
3. Step 3: Cross multiply
   103,985x = 155,282.50 × 155,282.50
4. Step 4: Simplify right side
   103,985x = 24,112,654,806.25
5. Step 5: Solve for x
   x = 24,112,654,806.25/103,985
6. Step 6: Final answer
   x = 231,885.90