Finding the Third Proportional to 1,428,030 and 3,116,475

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,030 : 3,116,475 = 3,116,475 : x
2. Step 2: Convert to fraction form
   1,428,030/3,116,475 = 3,116,475/x
3. Step 3: Cross multiply
   1,428,030x = 3,116,475 × 3,116,475
4. Step 4: Simplify right side
   1,428,030x = 9,712,416,425,625
5. Step 5: Solve for x
   x = 9,712,416,425,625/1,428,030
6. Step 6: Final answer
   x = 6,801,269.18