Finding the Third Proportional to 87,911,811 and 178,308,006

Step by Step Solution

1. Step 1: Write the proportion equation
   87,911,811 : 178,308,006 = 178,308,006 : x
2. Step 2: Convert to fraction form
   87,911,811/178,308,006 = 178,308,006/x
3. Step 3: Cross multiply
   87,911,811x = 178,308,006 × 178,308,006
4. Step 4: Simplify right side
   87,911,811x = 31,793,745,003,696,036
5. Step 5: Solve for x
   x = 31,793,745,003,696,036/87,911,811
6. Step 6: Final answer
   x = 361,654,988.59