Finding the Third Proportional to 59,544,328.50 and 128,212,024.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,544,328.50 : 128,212,024.50 = 128,212,024.50 : x
2. Step 2: Convert to fraction form
   59,544,328.50/128,212,024.50 = 128,212,024.50/x
3. Step 3: Cross multiply
   59,544,328.50x = 128,212,024.50 × 128,212,024.50
4. Step 4: Simplify right side
   59,544,328.50x = 16,438,323,226,388,600
5. Step 5: Solve for x
   x = 16,438,323,226,388,600/59,544,328.50
6. Step 6: Final answer
   x = 276,068,664.14