Finding the Third Proportional to 21,155,468 and 45,832,312

Step by Step Solution

1. Step 1: Write the proportion equation
   21,155,468 : 45,832,312 = 45,832,312 : x
2. Step 2: Convert to fraction form
   21,155,468/45,832,312 = 45,832,312/x
3. Step 3: Cross multiply
   21,155,468x = 45,832,312 × 45,832,312
4. Step 4: Simplify right side
   21,155,468x = 2,100,600,823,265,344
5. Step 5: Solve for x
   x = 2,100,600,823,265,344/21,155,468
6. Step 6: Final answer
   x = 99,293,517.08