Finding the Third Proportional to 26,403,646 and 42,013,384

Step by Step Solution

1. Step 1: Write the proportion equation
   26,403,646 : 42,013,384 = 42,013,384 : x
2. Step 2: Convert to fraction form
   26,403,646/42,013,384 = 42,013,384/x
3. Step 3: Cross multiply
   26,403,646x = 42,013,384 × 42,013,384
4. Step 4: Simplify right side
   26,403,646x = 1,765,124,435,131,456
5. Step 5: Solve for x
   x = 1,765,124,435,131,456/26,403,646
6. Step 6: Final answer
   x = 66,851,541.45