Finding the Third Proportional to 870,860,301,116 and 1,210,861,639,156

Step by Step Solution

1. Step 1: Write the proportion equation
   870,860,301,116 : 1,210,861,639,156 = 1,210,861,639,156 : x
2. Step 2: Convert to fraction form
   870,860,301,116/1,210,861,639,156 = 1,210,861,639,156/x
3. Step 3: Cross multiply
   870,860,301,116x = 1,210,861,639,156 × 1,210,861,639,156
4. Step 4: Simplify right side
   870,860,301,116x = 1,466,185,909,179,555,195,650,048
5. Step 5: Solve for x
   x = 1,466,185,909,179,555,195,650,048/870,860,301,116
6. Step 6: Final answer
   x = 1,683,606,322,737.01