Finding the Third Proportional to 181,566,279 and 389,582,820

Step by Step Solution

1. Step 1: Write the proportion equation
   181,566,279 : 389,582,820 = 389,582,820 : x
2. Step 2: Convert to fraction form
   181,566,279/389,582,820 = 389,582,820/x
3. Step 3: Cross multiply
   181,566,279x = 389,582,820 × 389,582,820
4. Step 4: Simplify right side
   181,566,279x = 151,774,773,639,152,384
5. Step 5: Solve for x
   x = 151,774,773,639,152,384/181,566,279
6. Step 6: Final answer
   x = 835,919,392.49