Finding the Third Proportional to 9,886,280 and 21,662,224

Step by Step Solution

1. Step 1: Write the proportion equation
   9,886,280 : 21,662,224 = 21,662,224 : x
2. Step 2: Convert to fraction form
   9,886,280/21,662,224 = 21,662,224/x
3. Step 3: Cross multiply
   9,886,280x = 21,662,224 × 21,662,224
4. Step 4: Simplify right side
   9,886,280x = 469,251,948,626,176
5. Step 5: Solve for x
   x = 469,251,948,626,176/9,886,280
6. Step 6: Final answer
   x = 47,464,966.46