Finding the Third Proportional to 30,543,478 and 42,724,347

Step by Step Solution

1. Step 1: Write the proportion equation
   30,543,478 : 42,724,347 = 42,724,347 : x
2. Step 2: Convert to fraction form
   30,543,478/42,724,347 = 42,724,347/x
3. Step 3: Cross multiply
   30,543,478x = 42,724,347 × 42,724,347
4. Step 4: Simplify right side
   30,543,478x = 1,825,369,826,576,409
5. Step 5: Solve for x
   x = 1,825,369,826,576,409/30,543,478
6. Step 6: Final answer
   x = 59,762,998.39