Finding the Third Proportional to 538,389,765 and 1,168,665,309

Step by Step Solution

1. Step 1: Write the proportion equation
   538,389,765 : 1,168,665,309 = 1,168,665,309 : x
2. Step 2: Convert to fraction form
   538,389,765/1,168,665,309 = 1,168,665,309/x
3. Step 3: Cross multiply
   538,389,765x = 1,168,665,309 × 1,168,665,309
4. Step 4: Simplify right side
   538,389,765x = 1,365,778,604,460,065,536
5. Step 5: Solve for x
   x = 1,365,778,604,460,065,536/538,389,765
6. Step 6: Final answer
   x = 2,536,784,116.73