Finding the Third Proportional to 702,521,949,970 and 947,867,063,021

Step by Step Solution

1. Step 1: Write the proportion equation
   702,521,949,970 : 947,867,063,021 = 947,867,063,021 : x
2. Step 2: Convert to fraction form
   702,521,949,970/947,867,063,021 = 947,867,063,021/x
3. Step 3: Cross multiply
   702,521,949,970x = 947,867,063,021 × 947,867,063,021
4. Step 4: Simplify right side
   702,521,949,970x = 898,451,969,160,056,422,793,216
5. Step 5: Solve for x
   x = 898,451,969,160,056,422,793,216/702,521,949,970
6. Step 6: Final answer
   x = 1,278,895,227,684.24