Finding the Third Proportional to 21,991,968 and 45,492,480

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991,968 : 45,492,480 = 45,492,480 : x
2. Step 2: Convert to fraction form
   21,991,968/45,492,480 = 45,492,480/x
3. Step 3: Cross multiply
   21,991,968x = 45,492,480 × 45,492,480
4. Step 4: Simplify right side
   21,991,968x = 2,069,565,736,550,400
5. Step 5: Solve for x
   x = 2,069,565,736,550,400/21,991,968
6. Step 6: Final answer
   x = 94,105,526.92