Finding the Third Proportional to 3,111,480 and 4,880,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,480 : 4,880,992.50 = 4,880,992.50 : x
2. Step 2: Convert to fraction form
   3,111,480/4,880,992.50 = 4,880,992.50/x
3. Step 3: Cross multiply
   3,111,480x = 4,880,992.50 × 4,880,992.50
4. Step 4: Simplify right side
   3,111,480x = 23,824,087,785,056.25
5. Step 5: Solve for x
   x = 23,824,087,785,056.25/3,111,480
6. Step 6: Final answer
   x = 7,656,834.62