Finding the Third Proportional to 9,691,797.50 and 21,144,007

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691,797.50 : 21,144,007 = 21,144,007 : x
2. Step 2: Convert to fraction form
   9,691,797.50/21,144,007 = 21,144,007/x
3. Step 3: Cross multiply
   9,691,797.50x = 21,144,007 × 21,144,007
4. Step 4: Simplify right side
   9,691,797.50x = 447,069,032,016,049
5. Step 5: Solve for x
   x = 447,069,032,016,049/9,691,797.50
6. Step 6: Final answer
   x = 46,128,598.13