Finding the Third Proportional to 3,643,654 and 5,445,397

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,654 : 5,445,397 = 5,445,397 : x
2. Step 2: Convert to fraction form
   3,643,654/5,445,397 = 5,445,397/x
3. Step 3: Cross multiply
   3,643,654x = 5,445,397 × 5,445,397
4. Step 4: Simplify right side
   3,643,654x = 29,652,348,487,609
5. Step 5: Solve for x
   x = 29,652,348,487,609/3,643,654
6. Step 6: Final answer
   x = 8,138,080.20