Finding the Third Proportional to 2,216,565,691.50 and 4,818,947,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,565,691.50 : 4,818,947,707.50 = 4,818,947,707.50 : x
2. Step 2: Convert to fraction form
   2,216,565,691.50/4,818,947,707.50 = 4,818,947,707.50/x
3. Step 3: Cross multiply
   2,216,565,691.50x = 4,818,947,707.50 × 4,818,947,707.50
4. Step 4: Simplify right side
   2,216,565,691.50x = 23,222,257,007,619,506,176
5. Step 5: Solve for x
   x = 23,222,257,007,619,506,176/2,216,565,691.50
6. Step 6: Final answer
   x = 10,476,683,410.14