Finding the Third Proportional to 172,272,384.75 and 264,795,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,272,384.75 : 264,795,109.50 = 264,795,109.50 : x
2. Step 2: Convert to fraction form
   172,272,384.75/264,795,109.50 = 264,795,109.50/x
3. Step 3: Cross multiply
   172,272,384.75x = 264,795,109.50 × 264,795,109.50
4. Step 4: Simplify right side
   172,272,384.75x = 70,116,450,015,116,992
5. Step 5: Solve for x
   x = 70,116,450,015,116,992/172,272,384.75
6. Step 6: Final answer
   x = 407,009,226.21