Finding the Third Proportional to 9,953,280 and 21,835,008

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953,280 : 21,835,008 = 21,835,008 : x
2. Step 2: Convert to fraction form
   9,953,280/21,835,008 = 21,835,008/x
3. Step 3: Cross multiply
   9,953,280x = 21,835,008 × 21,835,008
4. Step 4: Simplify right side
   9,953,280x = 476,767,574,360,064
5. Step 5: Solve for x
   x = 476,767,574,360,064/9,953,280
6. Step 6: Final answer
   x = 47,900,548.80