Finding the Third Proportional to 17,697,339,817 and 37,918,963,485

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697,339,817 : 37,918,963,485 = 37,918,963,485 : x
2. Step 2: Convert to fraction form
   17,697,339,817/37,918,963,485 = 37,918,963,485/x
3. Step 3: Cross multiply
   17,697,339,817x = 37,918,963,485 × 37,918,963,485
4. Step 4: Simplify right side
   17,697,339,817x = 1,437,847,791,776,763,215,872
5. Step 5: Solve for x
   x = 1,437,847,791,776,763,215,872/17,697,339,817
6. Step 6: Final answer
   x = 81,246,549,291.86