Finding the Third Proportional to 209,189,735 and 456,045,392

Step by Step Solution

1. Step 1: Write the proportion equation
   209,189,735 : 456,045,392 = 456,045,392 : x
2. Step 2: Convert to fraction form
   209,189,735/456,045,392 = 456,045,392/x
3. Step 3: Cross multiply
   209,189,735x = 456,045,392 × 456,045,392
4. Step 4: Simplify right side
   209,189,735x = 207,977,399,564,433,664
5. Step 5: Solve for x
   x = 207,977,399,564,433,664/209,189,735
6. Step 6: Final answer
   x = 994,204,613.17