Finding the Third Proportional to 9,970,185 and 21,641,958

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970,185 : 21,641,958 = 21,641,958 : x
2. Step 2: Convert to fraction form
   9,970,185/21,641,958 = 21,641,958/x
3. Step 3: Cross multiply
   9,970,185x = 21,641,958 × 21,641,958
4. Step 4: Simplify right side
   9,970,185x = 468,374,346,073,764
5. Step 5: Solve for x
   x = 468,374,346,073,764/9,970,185
6. Step 6: Final answer
   x = 46,977,498.02