Finding the Third Proportional to 10,107,347,258 and 21,812,803,222

Step by Step Solution

1. Step 1: Write the proportion equation
   10,107,347,258 : 21,812,803,222 = 21,812,803,222 : x
2. Step 2: Convert to fraction form
   10,107,347,258/21,812,803,222 = 21,812,803,222/x
3. Step 3: Cross multiply
   10,107,347,258x = 21,812,803,222 × 21,812,803,222
4. Step 4: Simplify right side
   10,107,347,258x = 475,798,384,401,693,605,888
5. Step 5: Solve for x
   x = 475,798,384,401,693,605,888/10,107,347,258
6. Step 6: Final answer
   x = 47,074,506,520.50