Finding the Third Proportional to 10,136,066 and 21,856,492

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136,066 : 21,856,492 = 21,856,492 : x
2. Step 2: Convert to fraction form
   10,136,066/21,856,492 = 21,856,492/x
3. Step 3: Cross multiply
   10,136,066x = 21,856,492 × 21,856,492
4. Step 4: Simplify right side
   10,136,066x = 477,706,242,546,064
5. Step 5: Solve for x
   x = 477,706,242,546,064/10,136,066
6. Step 6: Final answer
   x = 47,129,353.99