Finding the Third Proportional to 9,407,446.25 and 19,945,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407,446.25 : 19,945,301.50 = 19,945,301.50 : x
2. Step 2: Convert to fraction form
   9,407,446.25/19,945,301.50 = 19,945,301.50/x
3. Step 3: Cross multiply
   9,407,446.25x = 19,945,301.50 × 19,945,301.50
4. Step 4: Simplify right side
   9,407,446.25x = 397,815,051,925,902.25
5. Step 5: Solve for x
   x = 397,815,051,925,902.25/9,407,446.25
6. Step 6: Final answer
   x = 42,287,252.18