Finding the Third Proportional to 1,780,213,930 and 3,610,737,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,213,930 : 3,610,737,428 = 3,610,737,428 : x
2. Step 2: Convert to fraction form
   1,780,213,930/3,610,737,428 = 3,610,737,428/x
3. Step 3: Cross multiply
   1,780,213,930x = 3,610,737,428 × 3,610,737,428
4. Step 4: Simplify right side
   1,780,213,930x = 13,037,424,773,960,054,784
5. Step 5: Solve for x
   x = 13,037,424,773,960,054,784/1,780,213,930
6. Step 6: Final answer
   x = 7,323,515,760.81