Finding the Third Proportional to 28,726,761 and 61,434,834

Step by Step Solution

1. Step 1: Write the proportion equation
   28,726,761 : 61,434,834 = 61,434,834 : x
2. Step 2: Convert to fraction form
   28,726,761/61,434,834 = 61,434,834/x
3. Step 3: Cross multiply
   28,726,761x = 61,434,834 × 61,434,834
4. Step 4: Simplify right side
   28,726,761x = 3,774,238,828,607,556
5. Step 5: Solve for x
   x = 3,774,238,828,607,556/28,726,761
6. Step 6: Final answer
   x = 131,384,071.76