Finding the Third Proportional to 42,721.50 and 93,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,721.50 : 93,669.50 = 93,669.50 : x
2. Step 2: Convert to fraction form
   42,721.50/93,669.50 = 93,669.50/x
3. Step 3: Cross multiply
   42,721.50x = 93,669.50 × 93,669.50
4. Step 4: Simplify right side
   42,721.50x = 8,773,975,230.25
5. Step 5: Solve for x
   x = 8,773,975,230.25/42,721.50
6. Step 6: Final answer
   x = 205,376.10