Finding the Third Proportional to 52,870,806 and 80,825,688

Step by Step Solution

1. Step 1: Write the proportion equation
   52,870,806 : 80,825,688 = 80,825,688 : x
2. Step 2: Convert to fraction form
   52,870,806/80,825,688 = 80,825,688/x
3. Step 3: Cross multiply
   52,870,806x = 80,825,688 × 80,825,688
4. Step 4: Simplify right side
   52,870,806x = 6,532,791,840,673,344
5. Step 5: Solve for x
   x = 6,532,791,840,673,344/52,870,806
6. Step 6: Final answer
   x = 123,561,419.52