Finding the Third Proportional to 55,465,312 and 123,676,460

Step by Step Solution

1. Step 1: Write the proportion equation
   55,465,312 : 123,676,460 = 123,676,460 : x
2. Step 2: Convert to fraction form
   55,465,312/123,676,460 = 123,676,460/x
3. Step 3: Cross multiply
   55,465,312x = 123,676,460 × 123,676,460
4. Step 4: Simplify right side
   55,465,312x = 15,295,866,758,131,600
5. Step 5: Solve for x
   x = 15,295,866,758,131,600/55,465,312
6. Step 6: Final answer
   x = 275,773,563.81