Finding the Third Proportional to 615,673,012.50 and 954,123,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   615,673,012.50 : 954,123,658.50 = 954,123,658.50 : x
2. Step 2: Convert to fraction form
   615,673,012.50/954,123,658.50 = 954,123,658.50/x
3. Step 3: Cross multiply
   615,673,012.50x = 954,123,658.50 × 954,123,658.50
4. Step 4: Simplify right side
   615,673,012.50x = 910,351,955,709,424,640
5. Step 5: Solve for x
   x = 910,351,955,709,424,640/615,673,012.50
6. Step 6: Final answer
   x = 1,478,628,975.49