Finding the Third Proportional to 172,272,324 and 264,795,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,272,324 : 264,795,019.50 = 264,795,019.50 : x
2. Step 2: Convert to fraction form
   172,272,324/264,795,019.50 = 264,795,019.50/x
3. Step 3: Cross multiply
   172,272,324x = 264,795,019.50 × 264,795,019.50
4. Step 4: Simplify right side
   172,272,324x = 70,116,402,352,005,384
5. Step 5: Solve for x
   x = 70,116,402,352,005,384/172,272,324
6. Step 6: Final answer
   x = 407,009,093.07