Finding the Third Proportional to 10,427,250 and 21,807,900

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427,250 : 21,807,900 = 21,807,900 : x
2. Step 2: Convert to fraction form
   10,427,250/21,807,900 = 21,807,900/x
3. Step 3: Cross multiply
   10,427,250x = 21,807,900 × 21,807,900
4. Step 4: Simplify right side
   10,427,250x = 475,584,502,410,000
5. Step 5: Solve for x
   x = 475,584,502,410,000/10,427,250
6. Step 6: Final answer
   x = 45,609,772.70