Finding the Third Proportional to 2,921,898 and 6,375,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921,898 : 6,375,210 = 6,375,210 : x
2. Step 2: Convert to fraction form
   2,921,898/6,375,210 = 6,375,210/x
3. Step 3: Cross multiply
   2,921,898x = 6,375,210 × 6,375,210
4. Step 4: Simplify right side
   2,921,898x = 40,643,302,544,100
5. Step 5: Solve for x
   x = 40,643,302,544,100/2,921,898
6. Step 6: Final answer
   x = 13,909,897.79