Finding the Third Proportional to 33,215,307.50 and 72,474,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,215,307.50 : 72,474,662.50 = 72,474,662.50 : x
2. Step 2: Convert to fraction form
   33,215,307.50/72,474,662.50 = 72,474,662.50/x
3. Step 3: Cross multiply
   33,215,307.50x = 72,474,662.50 × 72,474,662.50
4. Step 4: Simplify right side
   33,215,307.50x = 5,252,576,704,488,906
5. Step 5: Solve for x
   x = 5,252,576,704,488,906/33,215,307.50
6. Step 6: Final answer
   x = 158,137,229.48