Finding the Third Proportional to 10,149,688.50 and 21,982,272

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149,688.50 : 21,982,272 = 21,982,272 : x
2. Step 2: Convert to fraction form
   10,149,688.50/21,982,272 = 21,982,272/x
3. Step 3: Cross multiply
   10,149,688.50x = 21,982,272 × 21,982,272
4. Step 4: Simplify right side
   10,149,688.50x = 483,220,282,281,984
5. Step 5: Solve for x
   x = 483,220,282,281,984/10,149,688.50
6. Step 6: Final answer
   x = 47,609,370.70