Finding the Third Proportional to 123,402,155,233 and 173,777,427,426

Step by Step Solution

1. Step 1: Write the proportion equation
   123,402,155,233 : 173,777,427,426 = 173,777,427,426 : x
2. Step 2: Convert to fraction form
   123,402,155,233/173,777,427,426 = 173,777,427,426/x
3. Step 3: Cross multiply
   123,402,155,233x = 173,777,427,426 × 173,777,427,426
4. Step 4: Simplify right side
   123,402,155,233x = 30,198,594,282,798,696,103,936
5. Step 5: Solve for x
   x = 30,198,594,282,798,696,103,936/123,402,155,233
6. Step 6: Final answer
   x = 244,716,911,351.99