Finding the Third Proportional to 43,521 and 58,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,521 : 58,720.50 = 58,720.50 : x
2. Step 2: Convert to fraction form
   43,521/58,720.50 = 58,720.50/x
3. Step 3: Cross multiply
   43,521x = 58,720.50 × 58,720.50
4. Step 4: Simplify right side
   43,521x = 3,448,097,120.25
5. Step 5: Solve for x
   x = 3,448,097,120.25/43,521
6. Step 6: Final answer
   x = 79,228.35