Finding the Third Proportional to 72,072,738 and 155,482,830

Step by Step Solution

1. Step 1: Write the proportion equation
   72,072,738 : 155,482,830 = 155,482,830 : x
2. Step 2: Convert to fraction form
   72,072,738/155,482,830 = 155,482,830/x
3. Step 3: Cross multiply
   72,072,738x = 155,482,830 × 155,482,830
4. Step 4: Simplify right side
   72,072,738x = 24,174,910,424,808,900
5. Step 5: Solve for x
   x = 24,174,910,424,808,900/72,072,738
6. Step 6: Final answer
   x = 335,423,782.91