Finding the Third Proportional to 64,374.75 and 99,675.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,374.75 : 99,675.56 = 99,675.56 : x
2. Step 2: Convert to fraction form
   64,374.75/99,675.56 = 99,675.56/x
3. Step 3: Cross multiply
   64,374.75x = 99,675.56 × 99,675.56
4. Step 4: Simplify right side
   64,374.75x = 9,935,217,759.69
5. Step 5: Solve for x
   x = 9,935,217,759.69/64,374.75
6. Step 6: Final answer
   x = 154,334.08