Finding the Third Proportional to 64,453.63 and 99,597.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,453.63 : 99,597.19 = 99,597.19 : x
2. Step 2: Convert to fraction form
   64,453.63/99,597.19 = 99,597.19/x
3. Step 3: Cross multiply
   64,453.63x = 99,597.19 × 99,597.19
4. Step 4: Simplify right side
   64,453.63x = 9,919,599,757.91
5. Step 5: Solve for x
   x = 9,919,599,757.91/64,453.63
6. Step 6: Final answer
   x = 153,902.90