Finding the Third Proportional to 72,047,138 and 155,036,358

Step by Step Solution

1. Step 1: Write the proportion equation
   72,047,138 : 155,036,358 = 155,036,358 : x
2. Step 2: Convert to fraction form
   72,047,138/155,036,358 = 155,036,358/x
3. Step 3: Cross multiply
   72,047,138x = 155,036,358 × 155,036,358
4. Step 4: Simplify right side
   72,047,138x = 24,036,272,301,904,164
5. Step 5: Solve for x
   x = 24,036,272,301,904,164/72,047,138
6. Step 6: Final answer
   x = 333,618,697.00