Finding the Third Proportional to 266,683,404 and 400,735,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,683,404 : 400,735,111.50 = 400,735,111.50 : x
2. Step 2: Convert to fraction form
   266,683,404/400,735,111.50 = 400,735,111.50/x
3. Step 3: Cross multiply
   266,683,404x = 400,735,111.50 × 400,735,111.50
4. Step 4: Simplify right side
   266,683,404x = 160,588,629,588,917,440
5. Step 5: Solve for x
   x = 160,588,629,588,917,440/266,683,404
6. Step 6: Final answer
   x = 602,169,565.79