Finding the Third Proportional to 45,521,190 and 99,705,654

Step by Step Solution

1. Step 1: Write the proportion equation
   45,521,190 : 99,705,654 = 99,705,654 : x
2. Step 2: Convert to fraction form
   45,521,190/99,705,654 = 99,705,654/x
3. Step 3: Cross multiply
   45,521,190x = 99,705,654 × 99,705,654
4. Step 4: Simplify right side
   45,521,190x = 9,941,217,439,567,716
5. Step 5: Solve for x
   x = 9,941,217,439,567,716/45,521,190
6. Step 6: Final answer
   x = 218,386,589.62