Finding the Third Proportional to 529,644 and 1,249,272

Step by Step Solution

1. Step 1: Write the proportion equation
   529,644 : 1,249,272 = 1,249,272 : x
2. Step 2: Convert to fraction form
   529,644/1,249,272 = 1,249,272/x
3. Step 3: Cross multiply
   529,644x = 1,249,272 × 1,249,272
4. Step 4: Simplify right side
   529,644x = 1,560,680,529,984
5. Step 5: Solve for x
   x = 1,560,680,529,984/529,644
6. Step 6: Final answer
   x = 2,946,659.51