Finding the Third Proportional to 21,581,790 and 45,158,986

Step by Step Solution

1. Step 1: Write the proportion equation
   21,581,790 : 45,158,986 = 45,158,986 : x
2. Step 2: Convert to fraction form
   21,581,790/45,158,986 = 45,158,986/x
3. Step 3: Cross multiply
   21,581,790x = 45,158,986 × 45,158,986
4. Step 4: Simplify right side
   21,581,790x = 2,039,334,016,548,196
5. Step 5: Solve for x
   x = 2,039,334,016,548,196/21,581,790
6. Step 6: Final answer
   x = 94,493,274.96