Finding the Third Proportional to 48,474,817.50 and 72,540,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,474,817.50 : 72,540,478.50 = 72,540,478.50 : x
2. Step 2: Convert to fraction form
   48,474,817.50/72,540,478.50 = 72,540,478.50/x
3. Step 3: Cross multiply
   48,474,817.50x = 72,540,478.50 × 72,540,478.50
4. Step 4: Simplify right side
   48,474,817.50x = 5,262,121,021,008,962
5. Step 5: Solve for x
   x = 5,262,121,021,008,962/48,474,817.50
6. Step 6: Final answer
   x = 108,553,704.63