Finding the Third Proportional to 64,107.56 and 99,518.06

Step by Step Solution

1. Step 1: Write the proportion equation
   64,107.56 : 99,518.06 = 99,518.06 : x
2. Step 2: Convert to fraction form
   64,107.56/99,518.06 = 99,518.06/x
3. Step 3: Cross multiply
   64,107.56x = 99,518.06 × 99,518.06
4. Step 4: Simplify right side
   64,107.56x = 9,903,844,763.75
5. Step 5: Solve for x
   x = 9,903,844,763.75/64,107.56
6. Step 6: Final answer
   x = 154,487.93