Finding the Third Proportional to 65,148.75 and 99,830.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,148.75 : 99,830.25 = 99,830.25 : x
2. Step 2: Convert to fraction form
   65,148.75/99,830.25 = 99,830.25/x
3. Step 3: Cross multiply
   65,148.75x = 99,830.25 × 99,830.25
4. Step 4: Simplify right side
   65,148.75x = 9,966,078,815.06
5. Step 5: Solve for x
   x = 9,966,078,815.06/65,148.75
6. Step 6: Final answer
   x = 152,974.21