Finding the Third Proportional to 64,506.38 and 99,635.06

Step by Step Solution

1. Step 1: Write the proportion equation
   64,506.38 : 99,635.06 = 99,635.06 : x
2. Step 2: Convert to fraction form
   64,506.38/99,635.06 = 99,635.06/x
3. Step 3: Cross multiply
   64,506.38x = 99,635.06 × 99,635.06
4. Step 4: Simplify right side
   64,506.38x = 9,927,145,679.38
5. Step 5: Solve for x
   x = 9,927,145,679.38/64,506.38
6. Step 6: Final answer
   x = 153,894.02