Finding the Third Proportional to 38,872,068 and 89,991,258

Step by Step Solution

1. Step 1: Write the proportion equation
   38,872,068 : 89,991,258 = 89,991,258 : x
2. Step 2: Convert to fraction form
   38,872,068/89,991,258 = 89,991,258/x
3. Step 3: Cross multiply
   38,872,068x = 89,991,258 × 89,991,258
4. Step 4: Simplify right side
   38,872,068x = 8,098,426,516,422,564
5. Step 5: Solve for x
   x = 8,098,426,516,422,564/38,872,068
6. Step 6: Final answer
   x = 208,335,366.06