Finding the Third Proportional to 89,748,885.50 and 196,523,087

Step by Step Solution

1. Step 1: Write the proportion equation
   89,748,885.50 : 196,523,087 = 196,523,087 : x
2. Step 2: Convert to fraction form
   89,748,885.50/196,523,087 = 196,523,087/x
3. Step 3: Cross multiply
   89,748,885.50x = 196,523,087 × 196,523,087
4. Step 4: Simplify right side
   89,748,885.50x = 38,621,323,724,009,568
5. Step 5: Solve for x
   x = 38,621,323,724,009,568/89,748,885.50
6. Step 6: Final answer
   x = 430,326,499.42