Finding the Third Proportional to 4,943,798 and 7,639,684

Step by Step Solution

1. Step 1: Write the proportion equation
   4,943,798 : 7,639,684 = 7,639,684 : x
2. Step 2: Convert to fraction form
   4,943,798/7,639,684 = 7,639,684/x
3. Step 3: Cross multiply
   4,943,798x = 7,639,684 × 7,639,684
4. Step 4: Simplify right side
   4,943,798x = 58,364,771,619,856
5. Step 5: Solve for x
   x = 58,364,771,619,856/4,943,798
6. Step 6: Final answer
   x = 11,805,654.60