Finding the Third Proportional to 28,590.50 and 62,998

Step by Step Solution

1. Step 1: Write the proportion equation
   28,590.50 : 62,998 = 62,998 : x
2. Step 2: Convert to fraction form
   28,590.50/62,998 = 62,998/x
3. Step 3: Cross multiply
   28,590.50x = 62,998 × 62,998
4. Step 4: Simplify right side
   28,590.50x = 3,968,748,004
5. Step 5: Solve for x
   x = 3,968,748,004/28,590.50
6. Step 6: Final answer
   x = 138,813.52