Finding the Third Proportional to 5,542,402 and 12,949,550

Step by Step Solution

1. Step 1: Write the proportion equation
   5,542,402 : 12,949,550 = 12,949,550 : x
2. Step 2: Convert to fraction form
   5,542,402/12,949,550 = 12,949,550/x
3. Step 3: Cross multiply
   5,542,402x = 12,949,550 × 12,949,550
4. Step 4: Simplify right side
   5,542,402x = 167,690,845,202,500
5. Step 5: Solve for x
   x = 167,690,845,202,500/5,542,402
6. Step 6: Final answer
   x = 30,255,987.42