Finding the Third Proportional to 188,784,901 and 411,885,290

Step by Step Solution

1. Step 1: Write the proportion equation
   188,784,901 : 411,885,290 = 411,885,290 : x
2. Step 2: Convert to fraction form
   188,784,901/411,885,290 = 411,885,290/x
3. Step 3: Cross multiply
   188,784,901x = 411,885,290 × 411,885,290
4. Step 4: Simplify right side
   188,784,901x = 169,649,492,118,384,096
5. Step 5: Solve for x
   x = 169,649,492,118,384,096/188,784,901
6. Step 6: Final answer
   x = 898,639,092.53