Finding the Third Proportional to 28,696 and 61,786

Step by Step Solution

1. Step 1: Write the proportion equation
   28,696 : 61,786 = 61,786 : x
2. Step 2: Convert to fraction form
   28,696/61,786 = 61,786/x
3. Step 3: Cross multiply
   28,696x = 61,786 × 61,786
4. Step 4: Simplify right side
   28,696x = 3,817,509,796
5. Step 5: Solve for x
   x = 3,817,509,796/28,696
6. Step 6: Final answer
   x = 133,032.82