Finding the Third Proportional to 11,817,656 and 25,705,840

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,656 : 25,705,840 = 25,705,840 : x
2. Step 2: Convert to fraction form
   11,817,656/25,705,840 = 25,705,840/x
3. Step 3: Cross multiply
   11,817,656x = 25,705,840 × 25,705,840
4. Step 4: Simplify right side
   11,817,656x = 660,790,210,105,600
5. Step 5: Solve for x
   x = 660,790,210,105,600/11,817,656
6. Step 6: Final answer
   x = 55,915,505.59