Finding the Third Proportional to 25,720,521 and 55,479,468

Step by Step Solution

1. Step 1: Write the proportion equation
   25,720,521 : 55,479,468 = 55,479,468 : x
2. Step 2: Convert to fraction form
   25,720,521/55,479,468 = 55,479,468/x
3. Step 3: Cross multiply
   25,720,521x = 55,479,468 × 55,479,468
4. Step 4: Simplify right side
   25,720,521x = 3,077,971,369,563,024
5. Step 5: Solve for x
   x = 3,077,971,369,563,024/25,720,521
6. Step 6: Final answer
   x = 119,669,868.65