Finding the Third Proportional to 51,840 and 74,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,840 : 74,929.50 = 74,929.50 : x
2. Step 2: Convert to fraction form
   51,840/74,929.50 = 74,929.50/x
3. Step 3: Cross multiply
   51,840x = 74,929.50 × 74,929.50
4. Step 4: Simplify right side
   51,840x = 5,614,429,970.25
5. Step 5: Solve for x
   x = 5,614,429,970.25/51,840
6. Step 6: Final answer
   x = 108,303.05