Finding the Third Proportional to 28,221.19 and 61,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,221.19 : 61,300.69 = 61,300.69 : x
2. Step 2: Convert to fraction form
   28,221.19/61,300.69 = 61,300.69/x
3. Step 3: Cross multiply
   28,221.19x = 61,300.69 × 61,300.69
4. Step 4: Simplify right side
   28,221.19x = 3,757,774,287.97
5. Step 5: Solve for x
   x = 3,757,774,287.97/28,221.19
6. Step 6: Final answer
   x = 133,154.36