Finding the Third Proportional to 1,570,963 and 3,421,853

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,963 : 3,421,853 = 3,421,853 : x
2. Step 2: Convert to fraction form
   1,570,963/3,421,853 = 3,421,853/x
3. Step 3: Cross multiply
   1,570,963x = 3,421,853 × 3,421,853
4. Step 4: Simplify right side
   1,570,963x = 11,709,077,953,609
5. Step 5: Solve for x
   x = 11,709,077,953,609/1,570,963
6. Step 6: Final answer
   x = 7,453,439.68