Finding the Third Proportional to 4,666,480 and 9,705,440

Step by Step Solution

1. Step 1: Write the proportion equation
   4,666,480 : 9,705,440 = 9,705,440 : x
2. Step 2: Convert to fraction form
   4,666,480/9,705,440 = 9,705,440/x
3. Step 3: Cross multiply
   4,666,480x = 9,705,440 × 9,705,440
4. Step 4: Simplify right side
   4,666,480x = 94,195,565,593,600
5. Step 5: Solve for x
   x = 94,195,565,593,600/4,666,480
6. Step 6: Final answer
   x = 20,185,571.48