Finding the Third Proportional to 13,005,984 and 30,117,987

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005,984 : 30,117,987 = 30,117,987 : x
2. Step 2: Convert to fraction form
   13,005,984/30,117,987 = 30,117,987/x
3. Step 3: Cross multiply
   13,005,984x = 30,117,987 × 30,117,987
4. Step 4: Simplify right side
   13,005,984x = 907,093,140,932,169
5. Step 5: Solve for x
   x = 907,093,140,932,169/13,005,984
6. Step 6: Final answer
   x = 69,744,291.62