Finding the Third Proportional to 87,911,820 and 178,308,024

Step by Step Solution

1. Step 1: Write the proportion equation
   87,911,820 : 178,308,024 = 178,308,024 : x
2. Step 2: Convert to fraction form
   87,911,820/178,308,024 = 178,308,024/x
3. Step 3: Cross multiply
   87,911,820x = 178,308,024 × 178,308,024
4. Step 4: Simplify right side
   87,911,820x = 31,793,751,422,784,576
5. Step 5: Solve for x
   x = 31,793,751,422,784,576/87,911,820
6. Step 6: Final answer
   x = 361,655,024.58