Finding the Third Proportional to 188,988,789 and 262,773,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,988,789 : 262,773,805.50 = 262,773,805.50 : x
2. Step 2: Convert to fraction form
   188,988,789/262,773,805.50 = 262,773,805.50/x
3. Step 3: Cross multiply
   188,988,789x = 262,773,805.50 × 262,773,805.50
4. Step 4: Simplify right side
   188,988,789x = 69,050,072,856,951,832
5. Step 5: Solve for x
   x = 69,050,072,856,951,832/188,988,789
6. Step 6: Final answer
   x = 365,365,973.41