Finding the Third Proportional to 3,638,781,306 and 5,589,613,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,781,306 : 5,589,613,210.50 = 5,589,613,210.50 : x
2. Step 2: Convert to fraction form
   3,638,781,306/5,589,613,210.50 = 5,589,613,210.50/x
3. Step 3: Cross multiply
   3,638,781,306x = 5,589,613,210.50 × 5,589,613,210.50
4. Step 4: Simplify right side
   3,638,781,306x = 31,243,775,842,996,117,504
5. Step 5: Solve for x
   x = 31,243,775,842,996,117,504/3,638,781,306
6. Step 6: Final answer
   x = 8,586,329,656.99