Finding the Third Proportional to 33,215,304.55 and 72,474,656.98

Step by Step Solution

1. Step 1: Write the proportion equation
   33,215,304.55 : 72,474,656.98 = 72,474,656.98 : x
2. Step 2: Convert to fraction form
   33,215,304.55/72,474,656.98 = 72,474,656.98/x
3. Step 3: Cross multiply
   33,215,304.55x = 72,474,656.98 × 72,474,656.98
4. Step 4: Simplify right side
   33,215,304.55x = 5,252,575,903,870,037
5. Step 5: Solve for x
   x = 5,252,575,903,870,037/33,215,304.55
6. Step 6: Final answer
   x = 158,137,219.42