Finding the Third Proportional to 21,991,967 and 45,492,478

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991,967 : 45,492,478 = 45,492,478 : x
2. Step 2: Convert to fraction form
   21,991,967/45,492,478 = 45,492,478/x
3. Step 3: Cross multiply
   21,991,967x = 45,492,478 × 45,492,478
4. Step 4: Simplify right side
   21,991,967x = 2,069,565,554,580,484
5. Step 5: Solve for x
   x = 2,069,565,554,580,484/21,991,967
6. Step 6: Final answer
   x = 94,105,522.92