Finding the Third Proportional to 1,390,220 and 3,046,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,220 : 3,046,156 = 3,046,156 : x
2. Step 2: Convert to fraction form
   1,390,220/3,046,156 = 3,046,156/x
3. Step 3: Cross multiply
   1,390,220x = 3,046,156 × 3,046,156
4. Step 4: Simplify right side
   1,390,220x = 9,279,066,376,336
5. Step 5: Solve for x
   x = 9,279,066,376,336/1,390,220
6. Step 6: Final answer
   x = 6,674,530.92