Finding the Third Proportional to 13,493,216 and 20,870,382

Step by Step Solution

1. Step 1: Write the proportion equation
   13,493,216 : 20,870,382 = 20,870,382 : x
2. Step 2: Convert to fraction form
   13,493,216/20,870,382 = 20,870,382/x
3. Step 3: Cross multiply
   13,493,216x = 20,870,382 × 20,870,382
4. Step 4: Simplify right side
   13,493,216x = 435,572,844,825,924
5. Step 5: Solve for x
   x = 435,572,844,825,924/13,493,216
6. Step 6: Final answer
   x = 32,280,876.91