Finding the Third Proportional to 400,238,582,998 and 609,735,796,047

Step by Step Solution

1. Step 1: Write the proportion equation
   400,238,582,998 : 609,735,796,047 = 609,735,796,047 : x
2. Step 2: Convert to fraction form
   400,238,582,998/609,735,796,047 = 609,735,796,047/x
3. Step 3: Cross multiply
   400,238,582,998x = 609,735,796,047 × 609,735,796,047
4. Step 4: Simplify right side
   400,238,582,998x = 371,777,740,981,068,808,323,072
5. Step 5: Solve for x
   x = 371,777,740,981,068,808,323,072/400,238,582,998
6. Step 6: Final answer
   x = 928,890,308,865.92