Finding the Third Proportional to 17,648,787,536 and 37,815,406,352

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648,787,536 : 37,815,406,352 = 37,815,406,352 : x
2. Step 2: Convert to fraction form
   17,648,787,536/37,815,406,352 = 37,815,406,352/x
3. Step 3: Cross multiply
   17,648,787,536x = 37,815,406,352 × 37,815,406,352
4. Step 4: Simplify right side
   17,648,787,536x = 1,430,004,957,566,882,021,376
5. Step 5: Solve for x
   x = 1,430,004,957,566,882,021,376/17,648,787,536
6. Step 6: Final answer
   x = 81,025,676,956.56