Finding the Third Proportional to 54,508,795 and 83,783,778

Step by Step Solution

1. Step 1: Write the proportion equation
   54,508,795 : 83,783,778 = 83,783,778 : x
2. Step 2: Convert to fraction form
   54,508,795/83,783,778 = 83,783,778/x
3. Step 3: Cross multiply
   54,508,795x = 83,783,778 × 83,783,778
4. Step 4: Simplify right side
   54,508,795x = 7,019,721,455,953,284
5. Step 5: Solve for x
   x = 7,019,721,455,953,284/54,508,795
6. Step 6: Final answer
   x = 128,781,446.30