Finding the Third Proportional to 9,829,988 and 21,549,553

Step by Step Solution

1. Step 1: Write the proportion equation
   9,829,988 : 21,549,553 = 21,549,553 : x
2. Step 2: Convert to fraction form
   9,829,988/21,549,553 = 21,549,553/x
3. Step 3: Cross multiply
   9,829,988x = 21,549,553 × 21,549,553
4. Step 4: Simplify right side
   9,829,988x = 464,383,234,499,809
5. Step 5: Solve for x
   x = 464,383,234,499,809/9,829,988
6. Step 6: Final answer
   x = 47,241,485.39