Finding the Third Proportional to 28,819.71 and 61,945.07

Step by Step Solution

1. Step 1: Write the proportion equation
   28,819.71 : 61,945.07 = 61,945.07 : x
2. Step 2: Convert to fraction form
   28,819.71/61,945.07 = 61,945.07/x
3. Step 3: Cross multiply
   28,819.71x = 61,945.07 × 61,945.07
4. Step 4: Simplify right side
   28,819.71x = 3,837,191,252.07
5. Step 5: Solve for x
   x = 3,837,191,252.07/28,819.71
6. Step 6: Final answer
   x = 133,144.71