Finding the Third Proportional to 646,757,776 and 994,123,612

Step by Step Solution

1. Step 1: Write the proportion equation
   646,757,776 : 994,123,612 = 994,123,612 : x
2. Step 2: Convert to fraction form
   646,757,776/994,123,612 = 994,123,612/x
3. Step 3: Cross multiply
   646,757,776x = 994,123,612 × 994,123,612
4. Step 4: Simplify right side
   646,757,776x = 988,281,755,935,926,528
5. Step 5: Solve for x
   x = 988,281,755,935,926,528/646,757,776
6. Step 6: Final answer
   x = 1,528,055,467.76