Finding the Third Proportional to 28,488.50 and 62,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,488.50 : 62,345.50 = 62,345.50 : x
2. Step 2: Convert to fraction form
   28,488.50/62,345.50 = 62,345.50/x
3. Step 3: Cross multiply
   28,488.50x = 62,345.50 × 62,345.50
4. Step 4: Simplify right side
   28,488.50x = 3,886,961,370.25
5. Step 5: Solve for x
   x = 3,886,961,370.25/28,488.50
6. Step 6: Final answer
   x = 136,439.66