Finding the Third Proportional to 418,967,500.50 and 910,454,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   418,967,500.50 : 910,454,827.50 = 910,454,827.50 : x
2. Step 2: Convert to fraction form
   418,967,500.50/910,454,827.50 = 910,454,827.50/x
3. Step 3: Cross multiply
   418,967,500.50x = 910,454,827.50 × 910,454,827.50
4. Step 4: Simplify right side
   418,967,500.50x = 828,927,992,918,054,784
5. Step 5: Solve for x
   x = 828,927,992,918,054,784/418,967,500.50
6. Step 6: Final answer
   x = 1,978,501,893.18