Finding the Third Proportional to 191,037,994 and 409,320,662

Step by Step Solution

1. Step 1: Write the proportion equation
   191,037,994 : 409,320,662 = 409,320,662 : x
2. Step 2: Convert to fraction form
   191,037,994/409,320,662 = 409,320,662/x
3. Step 3: Cross multiply
   191,037,994x = 409,320,662 × 409,320,662
4. Step 4: Simplify right side
   191,037,994x = 167,543,404,340,118,240
5. Step 5: Solve for x
   x = 167,543,404,340,118,240/191,037,994
6. Step 6: Final answer
   x = 877,016,141.30