Finding the Third Proportional to 15,142,486.78 and 23,491,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,142,486.78 : 23,491,513.69 = 23,491,513.69 : x
2. Step 2: Convert to fraction form
   15,142,486.78/23,491,513.69 = 23,491,513.69/x
3. Step 3: Cross multiply
   15,142,486.78x = 23,491,513.69 × 23,491,513.69
4. Step 4: Simplify right side
   15,142,486.78x = 551,851,215,329,999.88
5. Step 5: Solve for x
   x = 551,851,215,329,999.88/15,142,486.78
6. Step 6: Final answer
   x = 36,443,896.12