Finding the Third Proportional to 11,817,562 and 25,705,664

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,562 : 25,705,664 = 25,705,664 : x
2. Step 2: Convert to fraction form
   11,817,562/25,705,664 = 25,705,664/x
3. Step 3: Cross multiply
   11,817,562x = 25,705,664 × 25,705,664
4. Step 4: Simplify right side
   11,817,562x = 660,781,161,680,896
5. Step 5: Solve for x
   x = 660,781,161,680,896/11,817,562
6. Step 6: Final answer
   x = 55,915,184.68