Finding the Third Proportional to 21,148,412 and 31,862,634

Step by Step Solution

1. Step 1: Write the proportion equation
   21,148,412 : 31,862,634 = 31,862,634 : x
2. Step 2: Convert to fraction form
   21,148,412/31,862,634 = 31,862,634/x
3. Step 3: Cross multiply
   21,148,412x = 31,862,634 × 31,862,634
4. Step 4: Simplify right side
   21,148,412x = 1,015,227,445,417,956
5. Step 5: Solve for x
   x = 1,015,227,445,417,956/21,148,412
6. Step 6: Final answer
   x = 48,004,902.00