Finding the Third Proportional to 12,070,422 and 25,866,648

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070,422 : 25,866,648 = 25,866,648 : x
2. Step 2: Convert to fraction form
   12,070,422/25,866,648 = 25,866,648/x
3. Step 3: Cross multiply
   12,070,422x = 25,866,648 × 25,866,648
4. Step 4: Simplify right side
   12,070,422x = 669,083,478,755,904
5. Step 5: Solve for x
   x = 669,083,478,755,904/12,070,422
6. Step 6: Final answer
   x = 55,431,655.89