Finding the Third Proportional to 93,210,211.50 and 139,815,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,210,211.50 : 139,815,298.50 = 139,815,298.50 : x
2. Step 2: Convert to fraction form
   93,210,211.50/139,815,298.50 = 139,815,298.50/x
3. Step 3: Cross multiply
   93,210,211.50x = 139,815,298.50 × 139,815,298.50
4. Step 4: Simplify right side
   93,210,211.50x = 19,548,317,694,644,104
5. Step 5: Solve for x
   x = 19,548,317,694,644,104/93,210,211.50
6. Step 6: Final answer
   x = 209,722,919.63