Finding the Third Proportional to 1,239,898 and 2,628,594

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,898 : 2,628,594 = 2,628,594 : x
2. Step 2: Convert to fraction form
   1,239,898/2,628,594 = 2,628,594/x
3. Step 3: Cross multiply
   1,239,898x = 2,628,594 × 2,628,594
4. Step 4: Simplify right side
   1,239,898x = 6,909,506,416,836
5. Step 5: Solve for x
   x = 6,909,506,416,836/1,239,898
6. Step 6: Final answer
   x = 5,572,640.99