Finding the Third Proportional to 10,347,292 and 21,358,840

Step by Step Solution

1. Step 1: Write the proportion equation
   10,347,292 : 21,358,840 = 21,358,840 : x
2. Step 2: Convert to fraction form
   10,347,292/21,358,840 = 21,358,840/x
3. Step 3: Cross multiply
   10,347,292x = 21,358,840 × 21,358,840
4. Step 4: Simplify right side
   10,347,292x = 456,200,046,145,600
5. Step 5: Solve for x
   x = 456,200,046,145,600/10,347,292
6. Step 6: Final answer
   x = 44,088,834.66