Finding the Third Proportional to 12,861,680 and 28,314,136

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,680 : 28,314,136 = 28,314,136 : x
2. Step 2: Convert to fraction form
   12,861,680/28,314,136 = 28,314,136/x
3. Step 3: Cross multiply
   12,861,680x = 28,314,136 × 28,314,136
4. Step 4: Simplify right side
   12,861,680x = 801,690,297,426,496
5. Step 5: Solve for x
   x = 801,690,297,426,496/12,861,680
6. Step 6: Final answer
   x = 62,331,693.64