Finding the Third Proportional to 10,136,112 and 21,856,580

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136,112 : 21,856,580 = 21,856,580 : x
2. Step 2: Convert to fraction form
   10,136,112/21,856,580 = 21,856,580/x
3. Step 3: Cross multiply
   10,136,112x = 21,856,580 × 21,856,580
4. Step 4: Simplify right side
   10,136,112x = 477,710,089,296,400
5. Step 5: Solve for x
   x = 477,710,089,296,400/10,136,112
6. Step 6: Final answer
   x = 47,129,519.61