Finding the Third Proportional to 64,602,127 and 99,298,139

Step by Step Solution

1. Step 1: Write the proportion equation
   64,602,127 : 99,298,139 = 99,298,139 : x
2. Step 2: Convert to fraction form
   64,602,127/99,298,139 = 99,298,139/x
3. Step 3: Cross multiply
   64,602,127x = 99,298,139 × 99,298,139
4. Step 4: Simplify right side
   64,602,127x = 9,860,120,408,863,320
5. Step 5: Solve for x
   x = 9,860,120,408,863,320/64,602,127
6. Step 6: Final answer
   x = 152,628,417.46