Finding the Third Proportional to 1,590,428 and 3,314,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,428 : 3,314,980 = 3,314,980 : x
2. Step 2: Convert to fraction form
   1,590,428/3,314,980 = 3,314,980/x
3. Step 3: Cross multiply
   1,590,428x = 3,314,980 × 3,314,980
4. Step 4: Simplify right side
   1,590,428x = 10,989,092,400,400
5. Step 5: Solve for x
   x = 10,989,092,400,400/1,590,428
6. Step 6: Final answer
   x = 6,909,518.95