Finding the Third Proportional to 538,435,615 and 1,171,210,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   538,435,615 : 1,171,210,755.50 = 1,171,210,755.50 : x
2. Step 2: Convert to fraction form
   538,435,615/1,171,210,755.50 = 1,171,210,755.50/x
3. Step 3: Cross multiply
   538,435,615x = 1,171,210,755.50 × 1,171,210,755.50
4. Step 4: Simplify right side
   538,435,615x = 1,371,734,633,798,880,768
5. Step 5: Solve for x
   x = 1,371,734,633,798,880,768/538,435,615
6. Step 6: Final answer
   x = 2,547,629,829.05