Finding the Third Proportional to 105,099 and 151,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,099 : 151,087.50 = 151,087.50 : x
2. Step 2: Convert to fraction form
   105,099/151,087.50 = 151,087.50/x
3. Step 3: Cross multiply
   105,099x = 151,087.50 × 151,087.50
4. Step 4: Simplify right side
   105,099x = 22,827,432,656.25
5. Step 5: Solve for x
   x = 22,827,432,656.25/105,099
6. Step 6: Final answer
   x = 217,199.33