Finding the Third Proportional to 409,140,364.41 and 897,492,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   409,140,364.41 : 897,492,410.72 = 897,492,410.72 : x
2. Step 2: Convert to fraction form
   409,140,364.41/897,492,410.72 = 897,492,410.72/x
3. Step 3: Cross multiply
   409,140,364.41x = 897,492,410.72 × 897,492,410.72
4. Step 4: Simplify right side
   409,140,364.41x = 805,492,627,297,753,472
5. Step 5: Solve for x
   x = 805,492,627,297,753,472/409,140,364.41
6. Step 6: Final answer
   x = 1,968,743,974.86