Finding the Third Proportional to 4,808,368 and 10,153,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,808,368 : 10,153,280 = 10,153,280 : x
2. Step 2: Convert to fraction form
   4,808,368/10,153,280 = 10,153,280/x
3. Step 3: Cross multiply
   4,808,368x = 10,153,280 × 10,153,280
4. Step 4: Simplify right side
   4,808,368x = 103,089,094,758,400
5. Step 5: Solve for x
   x = 103,089,094,758,400/4,808,368
6. Step 6: Final answer
   x = 21,439,518.51