Finding the Third Proportional to 26,258,992 and 42,190,892

Step by Step Solution

1. Step 1: Write the proportion equation
   26,258,992 : 42,190,892 = 42,190,892 : x
2. Step 2: Convert to fraction form
   26,258,992/42,190,892 = 42,190,892/x
3. Step 3: Cross multiply
   26,258,992x = 42,190,892 × 42,190,892
4. Step 4: Simplify right side
   26,258,992x = 1,780,071,367,755,664
5. Step 5: Solve for x
   x = 1,780,071,367,755,664/26,258,992
6. Step 6: Final answer
   x = 67,789,021.29