Finding the Third Proportional to 12,402,056.81 and 19,281,052.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402,056.81 : 19,281,052.69 = 19,281,052.69 : x
2. Step 2: Convert to fraction form
   12,402,056.81/19,281,052.69 = 19,281,052.69/x
3. Step 3: Cross multiply
   12,402,056.81x = 19,281,052.69 × 19,281,052.69
4. Step 4: Simplify right side
   12,402,056.81x = 371,758,992,738,151
5. Step 5: Solve for x
   x = 371,758,992,738,151/12,402,056.81
6. Step 6: Final answer
   x = 29,975,591.82