Finding the Third Proportional to 9,929,127 and 21,426,522

Step by Step Solution

1. Step 1: Write the proportion equation
   9,929,127 : 21,426,522 = 21,426,522 : x
2. Step 2: Convert to fraction form
   9,929,127/21,426,522 = 21,426,522/x
3. Step 3: Cross multiply
   9,929,127x = 21,426,522 × 21,426,522
4. Step 4: Simplify right side
   9,929,127x = 459,095,845,016,484
5. Step 5: Solve for x
   x = 459,095,845,016,484/9,929,127
6. Step 6: Final answer
   x = 46,237,281.99