Finding the Third Proportional to 72,072,585 and 155,482,578

Step by Step Solution

1. Step 1: Write the proportion equation
   72,072,585 : 155,482,578 = 155,482,578 : x
2. Step 2: Convert to fraction form
   72,072,585/155,482,578 = 155,482,578/x
3. Step 3: Cross multiply
   72,072,585x = 155,482,578 × 155,482,578
4. Step 4: Simplify right side
   72,072,585x = 24,174,832,061,526,084
5. Step 5: Solve for x
   x = 24,174,832,061,526,084/72,072,585
6. Step 6: Final answer
   x = 335,423,407.69