Finding the Third Proportional to 26,258,069 and 42,189,677

Step by Step Solution

1. Step 1: Write the proportion equation
   26,258,069 : 42,189,677 = 42,189,677 : x
2. Step 2: Convert to fraction form
   26,258,069/42,189,677 = 42,189,677/x
3. Step 3: Cross multiply
   26,258,069x = 42,189,677 × 42,189,677
4. Step 4: Simplify right side
   26,258,069x = 1,779,968,845,364,329
5. Step 5: Solve for x
   x = 1,779,968,845,364,329/26,258,069
6. Step 6: Final answer
   x = 67,787,499.73