Finding the Third Proportional to 428,624,804 and 908,753,584

Step by Step Solution

1. Step 1: Write the proportion equation
   428,624,804 : 908,753,584 = 908,753,584 : x
2. Step 2: Convert to fraction form
   428,624,804/908,753,584 = 908,753,584/x
3. Step 3: Cross multiply
   428,624,804x = 908,753,584 × 908,753,584
4. Step 4: Simplify right side
   428,624,804x = 825,833,076,432,845,056
5. Step 5: Solve for x
   x = 825,833,076,432,845,056/428,624,804
6. Step 6: Final answer
   x = 1,926,703,888.17