Finding the Third Proportional to 54,351 and 74,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,351 : 74,830.50 = 74,830.50 : x
2. Step 2: Convert to fraction form
   54,351/74,830.50 = 74,830.50/x
3. Step 3: Cross multiply
   54,351x = 74,830.50 × 74,830.50
4. Step 4: Simplify right side
   54,351x = 5,599,603,730.25
5. Step 5: Solve for x
   x = 5,599,603,730.25/54,351
6. Step 6: Final answer
   x = 103,026.69