Finding the Third Proportional to 15,248,521 and 31,308,782

Step by Step Solution

1. Step 1: Write the proportion equation
   15,248,521 : 31,308,782 = 31,308,782 : x
2. Step 2: Convert to fraction form
   15,248,521/31,308,782 = 31,308,782/x
3. Step 3: Cross multiply
   15,248,521x = 31,308,782 × 31,308,782
4. Step 4: Simplify right side
   15,248,521x = 980,239,830,323,524
5. Step 5: Solve for x
   x = 980,239,830,323,524/15,248,521
6. Step 6: Final answer
   x = 64,284,256.18