Finding the Third Proportional to 1,709,724 and 3,648,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,724 : 3,648,276 = 3,648,276 : x
2. Step 2: Convert to fraction form
   1,709,724/3,648,276 = 3,648,276/x
3. Step 3: Cross multiply
   1,709,724x = 3,648,276 × 3,648,276
4. Step 4: Simplify right side
   1,709,724x = 13,309,917,772,176
5. Step 5: Solve for x
   x = 13,309,917,772,176/1,709,724
6. Step 6: Final answer
   x = 7,784,834.14