Finding the Third Proportional to 401,955,217.50 and 870,687,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,955,217.50 : 870,687,541.50 = 870,687,541.50 : x
2. Step 2: Convert to fraction form
   401,955,217.50/870,687,541.50 = 870,687,541.50/x
3. Step 3: Cross multiply
   401,955,217.50x = 870,687,541.50 × 870,687,541.50
4. Step 4: Simplify right side
   401,955,217.50x = 758,096,794,923,314,176
5. Step 5: Solve for x
   x = 758,096,794,923,314,176/401,955,217.50
6. Step 6: Final answer
   x = 1,886,023,024.25