Finding the Third Proportional to 91,992,156 and 186,687,516

Step by Step Solution

1. Step 1: Write the proportion equation
   91,992,156 : 186,687,516 = 186,687,516 : x
2. Step 2: Convert to fraction form
   91,992,156/186,687,516 = 186,687,516/x
3. Step 3: Cross multiply
   91,992,156x = 186,687,516 × 186,687,516
4. Step 4: Simplify right side
   91,992,156x = 34,852,228,630,250,256
5. Step 5: Solve for x
   x = 34,852,228,630,250,256/91,992,156
6. Step 6: Final answer
   x = 378,860,874.08