Finding the Third Proportional to 72,072,636 and 155,482,680

Step by Step Solution

1. Step 1: Write the proportion equation
   72,072,636 : 155,482,680 = 155,482,680 : x
2. Step 2: Convert to fraction form
   72,072,636/155,482,680 = 155,482,680/x
3. Step 3: Cross multiply
   72,072,636x = 155,482,680 × 155,482,680
4. Step 4: Simplify right side
   72,072,636x = 24,174,863,779,982,400
5. Step 5: Solve for x
   x = 24,174,863,779,982,400/72,072,636
6. Step 6: Final answer
   x = 335,423,610.43