Finding the Third Proportional to 21,431,142 and 47,024,550

Step by Step Solution

1. Step 1: Write the proportion equation
   21,431,142 : 47,024,550 = 47,024,550 : x
2. Step 2: Convert to fraction form
   21,431,142/47,024,550 = 47,024,550/x
3. Step 3: Cross multiply
   21,431,142x = 47,024,550 × 47,024,550
4. Step 4: Simplify right side
   21,431,142x = 2,211,308,302,702,500
5. Step 5: Solve for x
   x = 2,211,308,302,702,500/21,431,142
6. Step 6: Final answer
   x = 103,182,009.75