Finding the Third Proportional to 72,072,612 and 155,482,632

Step by Step Solution

1. Step 1: Write the proportion equation
   72,072,612 : 155,482,632 = 155,482,632 : x
2. Step 2: Convert to fraction form
   72,072,612/155,482,632 = 155,482,632/x
3. Step 3: Cross multiply
   72,072,612x = 155,482,632 × 155,482,632
4. Step 4: Simplify right side
   72,072,612x = 24,174,848,853,647,424
5. Step 5: Solve for x
   x = 24,174,848,853,647,424/72,072,612
6. Step 6: Final answer
   x = 335,423,515.02