Finding the Third Proportional to 64,100.25 and 99,510.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,100.25 : 99,510.19 = 99,510.19 : x
2. Step 2: Convert to fraction form
   64,100.25/99,510.19 = 99,510.19/x
3. Step 3: Cross multiply
   64,100.25x = 99,510.19 × 99,510.19
4. Step 4: Simplify right side
   64,100.25x = 9,902,277,416.29
5. Step 5: Solve for x
   x = 9,902,277,416.29/64,100.25
6. Step 6: Final answer
   x = 154,481.10