Finding the Third Proportional to 9,186,064 and 21,455,968

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,064 : 21,455,968 = 21,455,968 : x
2. Step 2: Convert to fraction form
   9,186,064/21,455,968 = 21,455,968/x
3. Step 3: Cross multiply
   9,186,064x = 21,455,968 × 21,455,968
4. Step 4: Simplify right side
   9,186,064x = 460,358,562,817,024
5. Step 5: Solve for x
   x = 460,358,562,817,024/9,186,064
6. Step 6: Final answer
   x = 50,114,887.38