Finding the Third Proportional to 4,971,586 and 7,677,168

Step by Step Solution

1. Step 1: Write the proportion equation
   4,971,586 : 7,677,168 = 7,677,168 : x
2. Step 2: Convert to fraction form
   4,971,586/7,677,168 = 7,677,168/x
3. Step 3: Cross multiply
   4,971,586x = 7,677,168 × 7,677,168
4. Step 4: Simplify right side
   4,971,586x = 58,938,908,500,224
5. Step 5: Solve for x
   x = 58,938,908,500,224/4,971,586
6. Step 6: Final answer
   x = 11,855,152.16