Finding the Third Proportional to 11,817,516 and 25,705,584

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,516 : 25,705,584 = 25,705,584 : x
2. Step 2: Convert to fraction form
   11,817,516/25,705,584 = 25,705,584/x
3. Step 3: Cross multiply
   11,817,516x = 25,705,584 × 25,705,584
4. Step 4: Simplify right side
   11,817,516x = 660,777,048,781,056
5. Step 5: Solve for x
   x = 660,777,048,781,056/11,817,516
6. Step 6: Final answer
   x = 55,915,054.30