Finding the Third Proportional to 19,761 and 42,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,761 : 42,802.50 = 42,802.50 : x
2. Step 2: Convert to fraction form
   19,761/42,802.50 = 42,802.50/x
3. Step 3: Cross multiply
   19,761x = 42,802.50 × 42,802.50
4. Step 4: Simplify right side
   19,761x = 1,832,054,006.25
5. Step 5: Solve for x
   x = 1,832,054,006.25/19,761
6. Step 6: Final answer
   x = 92,710.59