Finding the Third Proportional to 9,149,955 and 19,806,213

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149,955 : 19,806,213 = 19,806,213 : x
2. Step 2: Convert to fraction form
   9,149,955/19,806,213 = 19,806,213/x
3. Step 3: Cross multiply
   9,149,955x = 19,806,213 × 19,806,213
4. Step 4: Simplify right side
   9,149,955x = 392,286,073,401,369
5. Step 5: Solve for x
   x = 392,286,073,401,369/9,149,955
6. Step 6: Final answer
   x = 42,873,005.76