Finding the Third Proportional to 42,389,581 and 91,274,441

Step by Step Solution

1. Step 1: Write the proportion equation
   42,389,581 : 91,274,441 = 91,274,441 : x
2. Step 2: Convert to fraction form
   42,389,581/91,274,441 = 91,274,441/x
3. Step 3: Cross multiply
   42,389,581x = 91,274,441 × 91,274,441
4. Step 4: Simplify right side
   42,389,581x = 8,331,023,579,862,481
5. Step 5: Solve for x
   x = 8,331,023,579,862,481/42,389,581
6. Step 6: Final answer
   x = 196,534,699.88