Finding the Third Proportional to 28,389.50 and 59,721.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,389.50 : 59,721.63 = 59,721.63 : x
2. Step 2: Convert to fraction form
   28,389.50/59,721.63 = 59,721.63/x
3. Step 3: Cross multiply
   28,389.50x = 59,721.63 × 59,721.63
4. Step 4: Simplify right side
   28,389.50x = 3,566,672,492.64
5. Step 5: Solve for x
   x = 3,566,672,492.64/28,389.50
6. Step 6: Final answer
   x = 125,633.51