Finding the Third Proportional to 1,976,960 and 4,316,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976,960 : 4,316,480 = 4,316,480 : x
2. Step 2: Convert to fraction form
   1,976,960/4,316,480 = 4,316,480/x
3. Step 3: Cross multiply
   1,976,960x = 4,316,480 × 4,316,480
4. Step 4: Simplify right side
   1,976,960x = 18,631,999,590,400
5. Step 5: Solve for x
   x = 18,631,999,590,400/1,976,960
6. Step 6: Final answer
   x = 9,424,570.85