Finding the Third Proportional to 409,907,941 and 885,132,820

Step by Step Solution

1. Step 1: Write the proportion equation
   409,907,941 : 885,132,820 = 885,132,820 : x
2. Step 2: Convert to fraction form
   409,907,941/885,132,820 = 885,132,820/x
3. Step 3: Cross multiply
   409,907,941x = 885,132,820 × 885,132,820
4. Step 4: Simplify right side
   409,907,941x = 783,460,109,041,152,384
5. Step 5: Solve for x
   x = 783,460,109,041,152,384/409,907,941
6. Step 6: Final answer
   x = 1,911,307,468.53