Finding the Third Proportional to 42,391.90 and 93,322.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,391.90 : 93,322.76 = 93,322.76 : x
2. Step 2: Convert to fraction form
   42,391.90/93,322.76 = 93,322.76/x
3. Step 3: Cross multiply
   42,391.90x = 93,322.76 × 93,322.76
4. Step 4: Simplify right side
   42,391.90x = 8,709,137,125.73
5. Step 5: Solve for x
   x = 8,709,137,125.73/42,391.90
6. Step 6: Final answer
   x = 205,443.43