Finding the Third Proportional to 1,521,396 and 2,126,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,396 : 2,126,898 = 2,126,898 : x
2. Step 2: Convert to fraction form
   1,521,396/2,126,898 = 2,126,898/x
3. Step 3: Cross multiply
   1,521,396x = 2,126,898 × 2,126,898
4. Step 4: Simplify right side
   1,521,396x = 4,523,695,102,404
5. Step 5: Solve for x
   x = 4,523,695,102,404/1,521,396
6. Step 6: Final answer
   x = 2,973,384.38