Finding the Third Proportional to 91,992,158 and 186,687,520

Step by Step Solution

1. Step 1: Write the proportion equation
   91,992,158 : 186,687,520 = 186,687,520 : x
2. Step 2: Convert to fraction form
   91,992,158/186,687,520 = 186,687,520/x
3. Step 3: Cross multiply
   91,992,158x = 186,687,520 × 186,687,520
4. Step 4: Simplify right side
   91,992,158x = 34,852,230,123,750,400
5. Step 5: Solve for x
   x = 34,852,230,123,750,400/91,992,158
6. Step 6: Final answer
   x = 378,860,882.07