Finding the Third Proportional to 99,522 and 154,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,522 : 154,102.50 = 154,102.50 : x
2. Step 2: Convert to fraction form
   99,522/154,102.50 = 154,102.50/x
3. Step 3: Cross multiply
   99,522x = 154,102.50 × 154,102.50
4. Step 4: Simplify right side
   99,522x = 23,747,580,506.25
5. Step 5: Solve for x
   x = 23,747,580,506.25/99,522
6. Step 6: Final answer
   x = 238,616.39