Finding the Third Proportional to 17,787,642 and 38,787,060

Step by Step Solution

1. Step 1: Write the proportion equation
   17,787,642 : 38,787,060 = 38,787,060 : x
2. Step 2: Convert to fraction form
   17,787,642/38,787,060 = 38,787,060/x
3. Step 3: Cross multiply
   17,787,642x = 38,787,060 × 38,787,060
4. Step 4: Simplify right side
   17,787,642x = 1,504,436,023,443,600
5. Step 5: Solve for x
   x = 1,504,436,023,443,600/17,787,642
6. Step 6: Final answer
   x = 84,577,597.38