Finding the Third Proportional to 30,515,821 and 45,773,792

Step by Step Solution

1. Step 1: Write the proportion equation
   30,515,821 : 45,773,792 = 45,773,792 : x
2. Step 2: Convert to fraction form
   30,515,821/45,773,792 = 45,773,792/x
3. Step 3: Cross multiply
   30,515,821x = 45,773,792 × 45,773,792
4. Step 4: Simplify right side
   30,515,821x = 2,095,240,034,059,264
5. Step 5: Solve for x
   x = 2,095,240,034,059,264/30,515,821
6. Step 6: Final answer
   x = 68,660,778.75