Finding the Third Proportional to 28,726,740 and 61,434,792

Step by Step Solution

1. Step 1: Write the proportion equation
   28,726,740 : 61,434,792 = 61,434,792 : x
2. Step 2: Convert to fraction form
   28,726,740/61,434,792 = 61,434,792/x
3. Step 3: Cross multiply
   28,726,740x = 61,434,792 × 61,434,792
4. Step 4: Simplify right side
   28,726,740x = 3,774,233,668,083,264
5. Step 5: Solve for x
   x = 3,774,233,668,083,264/28,726,740
6. Step 6: Final answer
   x = 131,383,988.16