Finding the Third Proportional to 19,784,914,688 and 42,669,105,808

Step by Step Solution

1. Step 1: Write the proportion equation
   19,784,914,688 : 42,669,105,808 = 42,669,105,808 : x
2. Step 2: Convert to fraction form
   19,784,914,688/42,669,105,808 = 42,669,105,808/x
3. Step 3: Cross multiply
   19,784,914,688x = 42,669,105,808 × 42,669,105,808
4. Step 4: Simplify right side
   19,784,914,688x = 1,820,652,590,454,299,426,816
5. Step 5: Solve for x
   x = 1,820,652,590,454,299,426,816/19,784,914,688
6. Step 6: Final answer
   x = 92,022,261,362.52