Finding the Third Proportional to 123,471,404 and 181,638,210

Step by Step Solution

1. Step 1: Write the proportion equation
   123,471,404 : 181,638,210 = 181,638,210 : x
2. Step 2: Convert to fraction form
   123,471,404/181,638,210 = 181,638,210/x
3. Step 3: Cross multiply
   123,471,404x = 181,638,210 × 181,638,210
4. Step 4: Simplify right side
   123,471,404x = 32,992,439,332,004,100
5. Step 5: Solve for x
   x = 32,992,439,332,004,100/123,471,404
6. Step 6: Final answer
   x = 267,207,128.64