Finding the Third Proportional to 117,238,783.50 and 172,448,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,238,783.50 : 172,448,095.50 = 172,448,095.50 : x
2. Step 2: Convert to fraction form
   117,238,783.50/172,448,095.50 = 172,448,095.50/x
3. Step 3: Cross multiply
   117,238,783.50x = 172,448,095.50 × 172,448,095.50
4. Step 4: Simplify right side
   117,238,783.50x = 29,738,345,641,577,120
5. Step 5: Solve for x
   x = 29,738,345,641,577,120/117,238,783.50
6. Step 6: Final answer
   x = 253,656,211.31