Finding the Third Proportional to 21,581,064 and 45,157,320

Step by Step Solution

1. Step 1: Write the proportion equation
   21,581,064 : 45,157,320 = 45,157,320 : x
2. Step 2: Convert to fraction form
   21,581,064/45,157,320 = 45,157,320/x
3. Step 3: Cross multiply
   21,581,064x = 45,157,320 × 45,157,320
4. Step 4: Simplify right side
   21,581,064x = 2,039,183,549,582,400
5. Step 5: Solve for x
   x = 2,039,183,549,582,400/21,581,064
6. Step 6: Final answer
   x = 94,489,481.59