Finding the Third Proportional to 9,318,516 and 19,932,464

Step by Step Solution

1. Step 1: Write the proportion equation
   9,318,516 : 19,932,464 = 19,932,464 : x
2. Step 2: Convert to fraction form
   9,318,516/19,932,464 = 19,932,464/x
3. Step 3: Cross multiply
   9,318,516x = 19,932,464 × 19,932,464
4. Step 4: Simplify right side
   9,318,516x = 397,303,121,111,296
5. Step 5: Solve for x
   x = 397,303,121,111,296/9,318,516
6. Step 6: Final answer
   x = 42,635,879.05