Finding the Third Proportional to 28,102 and 58,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,102 : 58,802.50 = 58,802.50 : x
2. Step 2: Convert to fraction form
   28,102/58,802.50 = 58,802.50/x
3. Step 3: Cross multiply
   28,102x = 58,802.50 × 58,802.50
4. Step 4: Simplify right side
   28,102x = 3,457,734,006.25
5. Step 5: Solve for x
   x = 3,457,734,006.25/28,102
6. Step 6: Final answer
   x = 123,042.27