Finding the Third Proportional to 28,042.50 and 61,916.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,042.50 : 61,916.25 = 61,916.25 : x
2. Step 2: Convert to fraction form
   28,042.50/61,916.25 = 61,916.25/x
3. Step 3: Cross multiply
   28,042.50x = 61,916.25 × 61,916.25
4. Step 4: Simplify right side
   28,042.50x = 3,833,622,014.06
5. Step 5: Solve for x
   x = 3,833,622,014.06/28,042.50
6. Step 6: Final answer
   x = 136,707.57