Finding the Third Proportional to 9,812,369 and 21,574,047

Step by Step Solution

1. Step 1: Write the proportion equation
   9,812,369 : 21,574,047 = 21,574,047 : x
2. Step 2: Convert to fraction form
   9,812,369/21,574,047 = 21,574,047/x
3. Step 3: Cross multiply
   9,812,369x = 21,574,047 × 21,574,047
4. Step 4: Simplify right side
   9,812,369x = 465,439,503,958,209
5. Step 5: Solve for x
   x = 465,439,503,958,209/9,812,369
6. Step 6: Final answer
   x = 47,433,958.50