Finding the Third Proportional to 19,415,088 and 42,218,892

Step by Step Solution

1. Step 1: Write the proportion equation
   19,415,088 : 42,218,892 = 42,218,892 : x
2. Step 2: Convert to fraction form
   19,415,088/42,218,892 = 42,218,892/x
3. Step 3: Cross multiply
   19,415,088x = 42,218,892 × 42,218,892
4. Step 4: Simplify right side
   19,415,088x = 1,782,434,841,707,664
5. Step 5: Solve for x
   x = 1,782,434,841,707,664/19,415,088
6. Step 6: Final answer
   x = 91,806,683.63