Finding the Third Proportional to 407,804,016 and 604,061,538

Step by Step Solution

1. Step 1: Write the proportion equation
   407,804,016 : 604,061,538 = 604,061,538 : x
2. Step 2: Convert to fraction form
   407,804,016/604,061,538 = 604,061,538/x
3. Step 3: Cross multiply
   407,804,016x = 604,061,538 × 604,061,538
4. Step 4: Simplify right side
   407,804,016x = 364,890,341,690,925,440
5. Step 5: Solve for x
   x = 364,890,341,690,925,440/407,804,016
6. Step 6: Final answer
   x = 894,768,877.63