Finding the Third Proportional to 550,153,423 and 823,049,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,153,423 : 823,049,008.50 = 823,049,008.50 : x
2. Step 2: Convert to fraction form
   550,153,423/823,049,008.50 = 823,049,008.50/x
3. Step 3: Cross multiply
   550,153,423x = 823,049,008.50 × 823,049,008.50
4. Step 4: Simplify right side
   550,153,423x = 677,409,670,392,833,024
5. Step 5: Solve for x
   x = 677,409,670,392,833,024/550,153,423
6. Step 6: Final answer
   x = 1,231,310,470.99