Finding the Third Proportional to 99,818.50 and 146,807

Step by Step Solution

1. Step 1: Write the proportion equation
   99,818.50 : 146,807 = 146,807 : x
2. Step 2: Convert to fraction form
   99,818.50/146,807 = 146,807/x
3. Step 3: Cross multiply
   99,818.50x = 146,807 × 146,807
4. Step 4: Simplify right side
   99,818.50x = 21,552,295,249
5. Step 5: Solve for x
   x = 21,552,295,249/99,818.50
6. Step 6: Final answer
   x = 215,914.84