Finding the Third Proportional to 74,848.50 and 99,636.75

Step by Step Solution

1. Step 1: Write the proportion equation
   74,848.50 : 99,636.75 = 99,636.75 : x
2. Step 2: Convert to fraction form
   74,848.50/99,636.75 = 99,636.75/x
3. Step 3: Cross multiply
   74,848.50x = 99,636.75 × 99,636.75
4. Step 4: Simplify right side
   74,848.50x = 9,927,481,950.56
5. Step 5: Solve for x
   x = 9,927,481,950.56/74,848.50
6. Step 6: Final answer
   x = 132,634.35