Finding the Third Proportional to 21,991,956 and 45,492,456

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991,956 : 45,492,456 = 45,492,456 : x
2. Step 2: Convert to fraction form
   21,991,956/45,492,456 = 45,492,456/x
3. Step 3: Cross multiply
   21,991,956x = 45,492,456 × 45,492,456
4. Step 4: Simplify right side
   21,991,956x = 2,069,563,552,911,936
5. Step 5: Solve for x
   x = 2,069,563,552,911,936/21,991,956
6. Step 6: Final answer
   x = 94,105,478.97