Finding the Third Proportional to 11,817,518 and 25,705,588

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,518 : 25,705,588 = 25,705,588 : x
2. Step 2: Convert to fraction form
   11,817,518/25,705,588 = 25,705,588/x
3. Step 3: Cross multiply
   11,817,518x = 25,705,588 × 25,705,588
4. Step 4: Simplify right side
   11,817,518x = 660,777,254,425,744
5. Step 5: Solve for x
   x = 660,777,254,425,744/11,817,518
6. Step 6: Final answer
   x = 55,915,062.23