Finding the Third Proportional to 615,673,017 and 954,123,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   615,673,017 : 954,123,663.50 = 954,123,663.50 : x
2. Step 2: Convert to fraction form
   615,673,017/954,123,663.50 = 954,123,663.50/x
3. Step 3: Cross multiply
   615,673,017x = 954,123,663.50 × 954,123,663.50
4. Step 4: Simplify right side
   615,673,017x = 910,351,965,250,661,248
5. Step 5: Solve for x
   x = 910,351,965,250,661,248/615,673,017
6. Step 6: Final answer
   x = 1,478,628,980.18