Finding the Third Proportional to 188,076,462 and 290,499,597

Step by Step Solution

1. Step 1: Write the proportion equation
   188,076,462 : 290,499,597 = 290,499,597 : x
2. Step 2: Convert to fraction form
   188,076,462/290,499,597 = 290,499,597/x
3. Step 3: Cross multiply
   188,076,462x = 290,499,597 × 290,499,597
4. Step 4: Simplify right side
   188,076,462x = 84,390,015,857,162,416
5. Step 5: Solve for x
   x = 84,390,015,857,162,416/188,076,462
6. Step 6: Final answer
   x = 448,700,570.82