Finding the Third Proportional to 1,584,375 and 3,421,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,375 : 3,421,272 = 3,421,272 : x
2. Step 2: Convert to fraction form
   1,584,375/3,421,272 = 3,421,272/x
3. Step 3: Cross multiply
   1,584,375x = 3,421,272 × 3,421,272
4. Step 4: Simplify right side
   1,584,375x = 11,705,102,097,984
5. Step 5: Solve for x
   x = 11,705,102,097,984/1,584,375
6. Step 6: Final answer
   x = 7,387,835.64