Finding the Third Proportional to 17,388,631,528 and 37,664,665,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388,631,528 : 37,664,665,742.50 = 37,664,665,742.50 : x
2. Step 2: Convert to fraction form
   17,388,631,528/37,664,665,742.50 = 37,664,665,742.50/x
3. Step 3: Cross multiply
   17,388,631,528x = 37,664,665,742.50 × 37,664,665,742.50
4. Step 4: Simplify right side
   17,388,631,528x = 1,418,627,045,494,253,158,400
5. Step 5: Solve for x
   x = 1,418,627,045,494,253,158,400/17,388,631,528
6. Step 6: Final answer
   x = 81,583,593,465.07