Finding the Third Proportional to 161,232,496 and 243,185,003

Step by Step Solution

1. Step 1: Write the proportion equation
   161,232,496 : 243,185,003 = 243,185,003 : x
2. Step 2: Convert to fraction form
   161,232,496/243,185,003 = 243,185,003/x
3. Step 3: Cross multiply
   161,232,496x = 243,185,003 × 243,185,003
4. Step 4: Simplify right side
   161,232,496x = 59,138,945,684,110,008
5. Step 5: Solve for x
   x = 59,138,945,684,110,008/161,232,496
6. Step 6: Final answer
   x = 366,792,967.62