Finding the Third Proportional to 254,492,203.50 and 389,140,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,492,203.50 : 389,140,141.50 = 389,140,141.50 : x
2. Step 2: Convert to fraction form
   254,492,203.50/389,140,141.50 = 389,140,141.50/x
3. Step 3: Cross multiply
   254,492,203.50x = 389,140,141.50 × 389,140,141.50
4. Step 4: Simplify right side
   254,492,203.50x = 151,430,049,726,640,032
5. Step 5: Solve for x
   x = 151,430,049,726,640,032/254,492,203.50
6. Step 6: Final answer
   x = 595,028,247.01